How effective is cephalexin in treating sinus infections. What are the potential side effects of using cephalexin for sinusitis. How long does it take for cephalexin to work against sinus infections. What precautions should be taken when using cephalexin for sinus infections.

Understanding Cephalexin and Its Role in Treating Sinus Infections

Cephalexin, a member of the cephalosporin antibiotic family, has gained recognition as a potent treatment for various bacterial infections, including sinusitis. This medication works by inhibiting bacterial cell wall synthesis, effectively halting the growth and spread of harmful bacteria. For those suffering from sinus infections, cephalexin offers a promising solution to alleviate discomfort and promote healing.

Sinus infections, or sinusitis, occur when the nasal passages become inflamed and swollen, often due to bacterial invasion. Symptoms typically include facial pain, nasal congestion, and pressure around the eyes and cheeks. Cephalexin targets the bacteria responsible for these infections, providing relief and helping patients recover more quickly.

How does cephalexin combat sinus infections?

Cephalexin’s mechanism of action involves interfering with the bacteria’s ability to form cell walls. By disrupting this crucial process, the antibiotic prevents bacterial reproduction and spread. This allows the body’s immune system to more effectively eliminate the remaining bacteria, leading to a reduction in symptoms and eventual clearance of the infection.

• Targets specific types of bacteria commonly associated with sinus infections
• Inhibits bacterial cell wall synthesis
• Stops the spread of infection
• Enhances the body’s natural immune response

Efficacy of Cephalexin in Treating Sinus Infections

When it comes to treating sinus infections, cephalexin has proven to be highly effective. Its targeted approach to eliminating bacteria makes it a popular choice among healthcare providers. However, it’s important to note that cephalexin is only effective against bacterial infections and will not provide relief for viral or fungal sinusitis.

Is cephalexin always the best choice for sinus infections? While cephalexin is often an excellent option, the most appropriate treatment depends on various factors, including the specific bacteria causing the infection and the patient’s medical history. In some cases, alternative antibiotics or treatments may be recommended.

Comparing cephalexin to other sinus infection treatments

Cephalexin is not the only treatment available for sinus infections. Other options include:

1. Amoxicillin: Another commonly prescribed antibiotic for sinusitis
2. Decongestants: Help relieve nasal congestion
3. Antihistamines: Reduce inflammation and mucus production
4. Corticosteroids: Powerful anti-inflammatory medications
5. Nasal irrigation: Helps flush out mucus and irritants

Each treatment option has its own benefits and potential drawbacks. The choice of treatment should be made in consultation with a healthcare provider, taking into account the individual’s specific symptoms, medical history, and any potential drug interactions.

Dosage and Administration of Cephalexin for Sinus Infections

The appropriate dosage of cephalexin for sinus infections can vary depending on the severity of the infection and the patient’s age, weight, and overall health. Typically, adults are prescribed 250 to 500 mg of cephalexin every 6 hours, or 500 mg to 1 gram every 12 hours. However, it’s crucial to follow the specific dosage instructions provided by your healthcare provider.

How should cephalexin be taken for optimal results?

To maximize the effectiveness of cephalexin in treating sinus infections, follow these guidelines:

• Take the medication at evenly spaced intervals throughout the day
• Complete the entire prescribed course, even if symptoms improve before finishing
• Take cephalexin with or without food, but be consistent in your approach
• Stay hydrated and rest to support your body’s healing process

It’s important to note that missing doses or stopping the medication prematurely can lead to antibiotic resistance and potentially worsen the infection.

Timeline for Cephalexin’s Effectiveness in Treating Sinus Infections

One common question patients have is how quickly they can expect to see results when using cephalexin for sinus infections. While individual responses may vary, there is a general timeline for the medication’s effectiveness.

When do the effects of cephalexin become noticeable?

Typically, patients begin to experience some relief from their sinus infection symptoms within 1 to 3 days of starting cephalexin treatment. However, it’s important to understand that this initial improvement doesn’t mean the infection is fully cleared.

The full effects of cephalexin usually become apparent after about 7 days of treatment. During this time, the antibiotic works to eliminate the bacteria causing the infection and reduce inflammation in the sinuses. It’s crucial to complete the entire prescribed course of antibiotics, even if symptoms improve earlier, to ensure the infection is fully eradicated and prevent the development of antibiotic-resistant bacteria.

Potential Side Effects and Precautions When Using Cephalexin

While cephalexin is generally well-tolerated, like all medications, it can cause side effects in some individuals. Being aware of these potential effects and taking necessary precautions can help ensure a safe and effective treatment experience.

What are the most common side effects of cephalexin?

The most frequently reported side effects of cephalexin include:

• Nausea and vomiting
• Diarrhea
• Abdominal pain
• Headache
• Dizziness
• Skin rash or itching

While these side effects are usually mild and resolve on their own, it’s important to contact your healthcare provider if they persist or worsen. In rare cases, more serious side effects such as severe allergic reactions or Clostridium difficile-associated diarrhea may occur.

Precautions to take when using cephalexin for sinus infections

To ensure safe and effective treatment with cephalexin, consider the following precautions:

1. Inform your healthcare provider of any allergies, especially to penicillin or other antibiotics
2. Disclose all medications you’re currently taking, including over-the-counter drugs and supplements
3. Mention any pre-existing medical conditions, particularly kidney problems or a history of gastrointestinal diseases
4. If you’re pregnant or breastfeeding, consult with your doctor about the safety of using cephalexin
5. Avoid alcohol consumption while taking cephalexin, as it may increase the risk of side effects

Alternatives to Cephalexin for Sinus Infection Treatment

While cephalexin is an effective treatment for many cases of bacterial sinusitis, it may not be the best option for everyone. In some instances, alternative treatments may be more appropriate or effective.

What other antibiotics are used to treat sinus infections?

Several other antibiotics can be prescribed for sinus infections, depending on the specific bacteria causing the infection and the patient’s individual circumstances. Some common alternatives include:

• Amoxicillin-clavulanate (Augmentin)
• Doxycycline
• Levofloxacin
• Clarithromycin
• Azithromycin

Each of these antibiotics has its own benefits and potential side effects. The choice of antibiotic should be made by a healthcare provider based on factors such as the severity of the infection, the patient’s medical history, and local patterns of antibiotic resistance.

Non-antibiotic treatments for sinus infections

In some cases, particularly for mild sinus infections or those caused by viruses, antibiotics may not be necessary. Alternative treatments that can help alleviate symptoms and support healing include:

1. Nasal saline irrigation to flush out mucus and irritants
2. Over-the-counter pain relievers and decongestants
3. Nasal corticosteroid sprays to reduce inflammation
4. Steam inhalation to moisturize nasal passages and loosen mucus
5. Adequate hydration and rest to support the body’s natural healing processes

The Importance of Proper Diagnosis Before Using Cephalexin

While cephalexin can be highly effective in treating bacterial sinus infections, it’s crucial to obtain a proper diagnosis before starting any antibiotic treatment. This ensures that the medication is necessary and appropriate for your specific condition.

How is a sinus infection diagnosed?

Diagnosing a sinus infection typically involves a combination of symptom evaluation and physical examination. Your healthcare provider may:

• Ask about your symptoms and their duration
• Examine your nasal passages and throat
• Check for tenderness in the facial areas around the sinuses
• In some cases, order imaging tests like a CT scan or nasal endoscopy

It’s important to distinguish between viral and bacterial sinus infections, as antibiotics like cephalexin are only effective against bacterial infections. Viral sinus infections, which are more common, typically resolve on their own within 7-10 days.

Why is antibiotic stewardship important?

Antibiotic stewardship refers to the responsible use of antibiotics to preserve their effectiveness and reduce the development of antibiotic-resistant bacteria. Overuse or misuse of antibiotics can lead to:

• Increased antibiotic resistance in bacteria
• Disruption of the body’s natural bacterial balance
• Increased risk of side effects and complications
• Higher healthcare costs

By ensuring that antibiotics like cephalexin are only used when necessary and appropriate, we can help maintain their effectiveness for future use and protect public health.

Long-Term Considerations When Using Cephalexin for Sinus Infections

While cephalexin can be an effective short-term treatment for sinus infections, it’s important to consider the long-term implications of antibiotic use, especially for individuals who experience recurrent sinus infections.

Can cephalexin be used for chronic or recurrent sinus infections?

In cases of chronic or recurrent sinusitis, the approach to treatment may differ from that of acute infections. While cephalexin or other antibiotics may be prescribed for individual episodes, long-term or repeated use of antibiotics is generally not recommended due to the risk of developing antibiotic resistance and disrupting the body’s natural microbial balance.

For chronic sinusitis, healthcare providers may explore other treatment options, such as:

• Long-term use of nasal corticosteroid sprays
• Immunotherapy for allergic sinusitis
• Addressing underlying conditions that may contribute to recurrent infections
• In some cases, surgical interventions to improve sinus drainage

Preventing future sinus infections

While cephalexin can effectively treat bacterial sinus infections, preventing future infections is equally important. Some strategies to reduce the risk of sinus infections include:

1. Practicing good hand hygiene to reduce exposure to pathogens
2. Using a humidifier to keep nasal passages moist
3. Avoiding known allergens or irritants that may trigger sinus inflammation
4. Quitting smoking or avoiding secondhand smoke
5. Managing allergies effectively
6. Staying hydrated and maintaining a healthy diet to support immune function

By combining proper treatment with preventive measures, individuals can minimize the frequency and severity of sinus infections, reducing the need for antibiotic use and improving overall quality of life.

Everything to Know About Using Cephalexin for Sinus Infection

Sinusitis is a common ailment, causing discomfort and frustration due to its unpleasant symptoms. Fortunately, medical experts recommend many treatment options, including Cephalexin. Medical experts have tested this antibiotic well, and it offers reliable relief from sinusitis symptoms like nasal congestion and facial pain or pressure. This article comprehensively explores Cephalexin, including how it works in the body to treat bacterial infections. We’ll also look at possible side effects and precautions that should be taken when using Cephalexin for sinus infection.

What Is Cephalexin?

Cephalexin is an antibiotic used to treat infections caused by bacteria in the body. It is especially effective in treating sinusitis caused when bacteria infiltrate the sinuses and cause inflammation. This antibiotic stops the growth of the bacteria, allowing the immune system to clear the infection.

When using Cephalexin for sinus infection, it is essential to note that it is not a cure-all; it will only treat the infection and not the underlying cause. Therefore, addressing any underlying conditions or lifestyle factors contributing to the infection is crucial.

However, using Cephalexin can relieve sinusitis symptoms like facial pain or pressure, sore throat, and nasal congestion.

Can you use Cephalexin for sinus infection?

Cephalexin is a popular antibiotic in the drug class called ‘cephalosporin antibiotics’ that is used to treat streptococcal infections. It’s commonly prescribed for urinary tract infections, respiratory tract infections, ear infections, and skin structure infections and can also be used for sinusitis.

Cephalexin targets a specific type of bacteria and inhibits its growth and reproduction. This stops the infection from spreading further and allows the body’s immune system to fight off the disease more effectively.

Cephalexin is generally safe and well tolerated, although common side effects include nausea, diarrhea, vomiting, and abdominal pain.

It is also important to note that this medication is ineffective against viral or fungal infections, so it is important to speak with a doctor and get a diagnosis before using it. In some cases, alternative medications such as decongestants, antihistamines, and corticosteroids may be recommended for sinusitis.

Overall, Cephalexin is a safe and effective treatment for bacterial sinusitis. However, it is crucial to consult a doctor before taking any medication and carefully follow their instructions.

How good is Cephalexin for sinus infection?

Cephalexin is an effective treatment option for sinusitis that can relieve symptoms like nasal congestion and facial pain or pressure. However, while Cephalexin is generally well-tolerated, it can cause adverse effects, including nausea, vomiting, and diarrhea. This medication can also cause a number of allergic reactions.

Therefore, talking to your doctor before taking Cephalexin is essential to ensure it is safe. Additionally, be sure to take all the prescribed doses and finish the entire course of treatment, even if your symptoms ease. Doing so will help ensure the infection is fully treated and prevent further complications.

How can Cephalexin treat sinusitis?

Cephalexin is an effective antibiotic for treating bacterial sinusitis. It interferes with the bacteria’s cell wall synthesis, preventing the bacteria from reproducing and spreading. This allows the body’s immune system to kill off the bacteria and, subsequently, reduce the symptoms of the infection.

In most cases, a single course of Cephalexin is enough to clear the infection and relieve the patient.

It is important to remember to finish the entire course of Cephalexin, even if the symptoms of the infection seem to have subsided. This ensures the bacteria is completely eradicated and further complications can be avoided.

How long does it take Cephalexin to work?

When taken orally, Cephalexin’s active ingredient will quickly enter the bloodstream and start working to kill bacteria that cause the infection. Generally, the drug takes one to three days to alleviate sinusitis symptoms.

However, the full effects of Cephalexin may only be realized after seven days of treatment. During this period, the antibiotic cleanses the infection and reduces the number of bacteria in the sinuses.

In general, it is recommended that individuals take Cephalexin for seven days, even if symptoms are improving, to ensure that the infection does not return.

It is also important to note that Cephalexin may interact with other medications and should always be taken cautiously.

Cephalexin is a powerful and effective antibiotic when used to treat sinusitis. The drug can start working in as little as one day but may take up to a week to completely clear up the infection.

Therefore, before taking Cephalexin, speaking with a doctor or pharmacist is essential to discuss any potential side effects and interactions with other medications.

By doing so, people can ensure they are taking the proper steps to get prompt, safe, and effective relief from their infection.

What Conditions does Cephalexin Treat?

Cephalexin is a popular antibiotic commonly used to treat sinusitis. This medication works by killing the bacteria that cause the infection and reducing the severity of the symptoms.

It is a widely recommended broad-spectrum antibiotic that can treat many bacterial infections, not just those in the sinuses.

This includes:

• Skin infections
• Bone infections
• Urinary tract Infection
• Middle ear infections (otitis media)

Additionally, Cephalexin can treat certain types of bronchitis and pneumonia.

When taking Cephalexin for sinusitis, it is vital to use the medication exactly as prescribed. This means taking the drug for the specified time, even if the symptoms have improved.

If Cephalexin is not taken as prescribed, the infection may not be completely cured and can lead to the development of antibiotic-resistant bacteria. For this reason, it is crucial to finish the entire course of treatment as prescribed by your doctor.

Additionally, it is essential to inform your doctor of any other medications you may be taking, as Cephalexin can interact with some drugs.

What Forms Does Cephalexin Come In?

Cephalexin is available in many forms, including capsules, tablets, and oral suspensions. The capsule form of Cephalexin is typically 500mg and should be taken orally with food or milk.

The tablet form of Cephalexin is also 500mg and should be taken orally with food or milk. Finally, the liquid suspension form of Cephalexin is 250mg per 5ml and should be taken by mouth with food or milk.

When treating sinusitis with Cephalexin, it is recommended that a patient take the medication for at least 10 days. After that, a doctor may prescribe a higher dose of Cephalexin for more severe infections.

Patients must take the entire course of the medication even if they start feeling better. This ensures that all bacteria causing the infection are eliminated and the condition is fully treated.

If a patient stops taking the medication too soon, some bacteria may survive, and the disease may return.

Side effects of Cephalexin for sinusitis

Cephalexin is an effective antibiotic for treating sinusitis caused by certain bacteria. It works by killing off bacteria in the nasal passages, reducing inflammation, and allowing the sinuses to heal.

While Cephalexin can be a helpful treatment for sinusitis, it has some potential side effects.

Common side effects of Cephalexin for sinusitis include:

• Nausea
• Vomiting
• Diarrhea (caused by clostridium difficile)

Other less common side effects include:

• Rash
• Itching
• Hives

In rare cases, Cephalexin can cause more severe side effects like jaundice, difficulty breathing, and swelling of the face, lips, or tongue.

If you feel any adverse effects while taking Cephalexin, immediately contact your doctor.

Drug Interactions

Cephalexin can interact with certain medications, so it’s important to let your doctor know all your medicines before starting this antibiotic. In addition, by understanding the side effects of Cephalexin and taking the necessary precautions, you can ensure the best possible outcome for your treatment.

How much Cephalexin should I take for sinusitis?

When treating sinusitis, Cephalexin is one of the most commonly prescribed antibiotics. The standard recommended dosage for adults is 250 to 500 mg, taken twice daily. However, this dosage may be increased to 500 mg three times a day in severe cases.

The dosage for children will depend on their weight and age, so it is essential to discuss with your doctor the best dosage for your child.

Should I take Cephalexin with or without food?

Cephalexin can be used with or without food, and taking the entire course of the medication as prescribed is crucial.

Can Cephalexin treat viral infections?

It is important to note that Cephalexin should not be used to treat a viral infection and should only be taken when prescribed by a doctor.

Using this medication indiscriminately may increase the patient’s risk of antibiotic resistance and other adverse effects.

Side effects may include nausea, headache, and diarrhea. Anyone experiencing worrying symptoms or an adverse reaction should seek medical attention immediately.

How long does Cephalexin take to work for sinusitis?

Cephalexin is an antibiotic medication that is commonly prescribed to treat sinusitis. It works by inhibiting bacterial growth, which helps reduce symptoms like facial pain, pressure, and congestion.

The effects of Cephalexin can usually be seen within just a few days after starting treatment, though it may take up to a week before the infection is completely cleared up.

Therefore, it is essential to take the entire course of Cephalexin as prescribed by your doctor for it to be effective. Depending on the severity of the infection, this could be as long as 10 days.

Is Cephalexin safe?

Cephalexin is generally a safe drug, despite some potential side effects. It is also important to note that Cephalexin can interact with other medications and may be contraindicated in some cases.

If you have any worries or questions about using Cephalexin, please discuss them with your doctor.

Nevertheless, with the proper dosage and careful monitoring, Cephalexin can effectively treat sinusitis.

Can You Get Cephalexin Online?

In addition to being available in pill form, Cephalexin can also be purchased online. While it is essential to consult a doctor before taking any medication, many online pharmacies offer Cephalexin with a prescription, making it easier for those who may have difficulty visiting a doctor in person.

Before buying online, however, it is essential to check that the pharmacy is reputable and has a valid license.

Additionally, it is vital to review the potential side effects of Cephalexin and consult with a doctor or pharmacist if any side effects occur.

Read Next: Can You Use Clindamycin for Sinus Infection?

Conclusion

In conclusion, Cephalexin is an effective treatment for sinusitis due to its ability to inhibit bacterial growth and reduce inflammation.

However, while this antibiotic can be purchased online, it is essential to consult a doctor before taking any medication and to check that the pharmacy is reputable.

Additionally, it is crucial to be aware of the potential side effects of Cephalexin and to consult a doctor or pharmacist if any adverse effects occur.

Frequently Asked Questions (FAQs)

Uses, Side Effects, Dosages, Contra-indications, Warnings, Interactions & More

When you have a common bacterial infection such as a middle ear infection, respiratory tract infection, or urinary tract infection, there’s a good chance your doctor will prescribe a drug called cephalexin.

Cephalexin monohydrate (Keflex) is a prescription drug used to kill the bacteria causing these infections. It is similar to penicillin and is among the top 100 most commonly prescribed drugs in the United States.

In this article, I’ll explain all about cephalexin, including how it works, common conditions it’s used to treat, side effects, and if you can get cephalexin online. 

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What Is Cephalexin?

Cephalexin is a type of antibiotic called a cephalosporin. It works to prevent the growth of the bacterial cell wall. This keeps bacteria from multiplying and helps eradicate an infection.

Cephalexin is considered a broad-spectrum antibiotic because it’s effective in fighting many common bacteria, including:

• Streptococcus pneumoniae 
• Streptococcus pyogenes
• Haemophilus influenzae
• Staphylococcus aureus
• Moraxella catarrhalis 
• Escherichia coli 
• Proteus mirabilis
• Klebsiella pneumoniae

What is it used for?

Cephalexin is prescribed to treat infections caused by bacteria, including: 

• Respiratory tract infections
• Sinusitis
• Otitis media (middle ear infections)
• Skin and soft tissue infections
• Genitourinary infections (urinary tract infections)
• Endocarditis prevention

Can You Get Cephalexin Online?

In order to get cephalexin, you first need a prescription. You can get this online through your healthcare provider.

Once you receive the prescription, you can purchase cephalexin online. Before buying any medicine on the web, though, consider these tips from the Food and Drug Administration (FDA):

• Only use sites that require a prescription and have a pharmacist available for questions.
• Only buy prescription drugs from licensed US pharmacies.
• Don’t share your credit card information or other personal information unless the site is secure.

What Forms Does Cephalexin Come In?

Cephalexin is available as a liquid, capsule, or tablet taken by mouth. If you take the liquid form, store it in the refrigerator and shake it well before using.

Do not store the tablets or capsules in the bathroom. Instead, keep them in a dry place at room temp. When it’s time for a dose, swallow the pill whole with a glass of water. 

What Are Common Doses of Cephalexin?

Doctors prescribe different doses of cephalexin depending on the patient’s age, infection, and severity of their condition. Below are some of the most common doses of cephalexin for different infections.

Upper respiratory tract infections (including tonsillitis)

• Adults: 1-4 grams (g) daily, divided in 2-4 doses (generally 250 milligrams (mg) taken orally every 6 hours or 500 mg taken orally every 12 hours) for 7-14 days.

• Children and adolescents: 25-50 mg per kilogram of body weight per day taken orally in 2-4 divided doses for 7-14 days.

Lower respiratory tract infections (LRTIs)

• Adults: 250 mg taken orally every 6 hours or 500 mg taken orally every 12 hours for 7-14 days. 

• Children and adolescents: 25-50 mg per kilogram of body weight per day taken orally divided in 2-4 doses for mild to moderate infections. For severe infections, 50-100 mg per kilogram of body weight per day taken orally divided in 3-4 doses.

Skin and skin structure infections (including impetigo) 

• Adults: 1-4 g daily, divided in 2-4 equal doses (generally 250 mg take orally every 6 hours or 500 mg taken orally every 12 hours) for 7-14 days.  

• Children and adolescents: 25-50 mg per kilogram of body weight per day taken orally in 2-4 divided doses for 7-14 days.

Otitis media (middle ear infection)

• Children and adolescents: 75-100 mg per kilogram of body weight per day taken orally in 3-4 divided doses. 

Bone and joint infections

• Adults: 1-4 g daily, divided in 2-4 doses (generally 250 mg taken orally every 6 hours or 500 mg taken orally every 12 hours) for 7-14 days. 

• Children and adolescents: 75-100 mg per kilogram of body weight per day taken orally in 3-4 divided doses. 

Genitourinary infection (including urinary tract infection)

• Adults: 1-4 g daily, divided in 2-4 doses (generally 250 mg taken orally every 6 hours or 500 mg PO every 12 hours) for 7-14 days.

• Children and adolescents: 25-50 mg per kilogram of body weight per day taken orally in 2-4 divided doses for 7-14 days.

Side Effects

As with all medications, cephalexin can cause adverse effects, with diarrhea being most common. Other rare, but not uncommon, side effects include:

• Abdominal pain
• Indigestion
• Vomiting
• Nausea
• Headache
• Fatigue
• Vaginal discharge or itchiness
• Increased creatinine 

Cephalexin and other cephalosporin antibiotics such as cefaclor, cefadroxil, and cefazolin can also cause a severe allergic reaction known as anaphylaxis.

Symptoms include hives, trouble breathing, and swelling of the face, lips, tongue, or throat.

Call your doctor right away if you think you are experiencing an allergic reaction or other more serious side effects after taking cephalexin. 

How to Take Cephalexin

Cephalexin comes as an oral capsule, tablet, or liquid that can be taken with or without food. Depending on the condition being treated, adults usually take it every six or 12 hours for 7-14 days.

Either way, take cephalexin around the same times every day.

If you miss a dose of cephalexin, take that missed dose as soon as possible, unless you are close to your next dosing time. In this case, skip the missed dose and wait until the next one. Never double up doses.

Contraindications

Be sure your healthcare provider knows if you have any of the below conditions or sensitivities, as cephalexin can lead to serious complications in these cases:

• Colitis
• Kidney disease
• Liver disease
• Seizure disorders
• Hypersensitivity to penicillin

Breastfeeding or pregnant women should also consult with a physician before using cephalexin, as should individuals undergoing dialysis.

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Drug interactions

Cephalexin can negatively interact with certain medications, increasing the risk of side effects.

Ask your doctor whether it would be safe for you to use cephalexin if you take any of the following:

• Metformin
• Furosemide
• Warfarin or other blood thinners
• Probenecid

Warnings

Specific groups of people should be especially sure to consult their doctor before taking cephalexin.

• People with kidney problems: If you have kidney problems or a history of kidney disease, you may not be able to clear this drug from your body. This may increase the levels of cephalexin in your body and cause more side effects. 

• Pregnant women: Cephalexin is a pregnancy category B drug. That means animal studies have shown no risk to a fetus, but there’s insufficient evidence to show if the drug poses a risk to human fetuses. 

• Breastfeeding women: Cephalexin is passed through breast milk. Talk to your doctor about the potential risks for your infant.

• Seniors: The risk of kidney problems increases as you age. Reduced kidney function can cause drugs to stay in the body for a longer time, increasing the chance of side effects.

• Those who are allergic to beta-lactam medications: Do not take cephalexin. You could have a serious allergic reaction.

In case of emergency or overdose

In case of an overdose, call the poison control center at 1-800-222-1222. Information is also available online. If you collapse, have a seizure, have trouble breathing, or cannot be awakened, have someone immediately call 911.

Get a Cephalexin Prescription Today with K Health

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Frequently Asked Questions

What is cephalexin used for?

Cephalexin is used to treat bacterial infections in various parts of the body. This includes respiratory tract infections, ear infections, skin infections, and urinary tract infections. It works by killing or preventing the growth of bacteria.

How long does cephalexin stay in your system?

You’ll pee out more than 90% of cephalexin within eight hours of taking it. However, if you have reduced kidney function, this process can take longer.

What are the side effects of cephalexin?

The more common side effects of cephalexin oral capsules include diarrhea, indigestion, nausea, vomiting, or stomach pain. Most of these side effects should go away on their own. If they persist, contact your doctor.

How quickly does cephalexin work to treat an infection?

Cephalexin starts to work right away and becomes the most effective one hour after taking it. That being said, it can take up to 48 hours after taking the drug to start seeing your symptoms improve.

K Health articles are all written and reviewed by MDs, PhDs, NPs, or PharmDs and are for informational purposes only. This information does not constitute and should not be relied on for professional medical advice. Always talk to your doctor about the risks and benefits of any treatment.

K Health has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions,
and medical associations. We avoid using tertiary references.

• Cephalexin. (revised 2016.).
  https://medlineplus.gov/druginfo/meds/a682733.html#:~:text=Cephalexin

• Cephalexin. (n.d.).
  https://pubchem.ncbi.nlm.nih.gov/compound/Cephalexin

• Cephalexin – Drug Summary. (n.d.).
  https://www.pdr.net/drug-summary/Keflex-cephalexin-1565#3

• Cephalexin Capsule Cephalexin Powder, for Suspension. (n.d.).
  https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=19307ff0-71de-477b-965d-ea243e5ede3a

• Cephalexin Drug Usage Statistics, United States, 2008 – 2018. (n.d.).
  https://clincalc.com/DrugStats/Drugs/Cephalexin

Treatment and prevention of acute sinusitis

In most cases, acute sinusitis does not require treatment, as it is caused by a viral infection (runny nose). As a rule, self-medication is sufficient for a speedy recovery and smoothing out the symptoms.

Treatment to relieve symptoms

Your doctor may recommend medication to relieve the symptoms of sinusitis. For example, drugs such as:

• Nasal saline spray to be injected into the nose several times a day to clear the nasal passages.
• Nasal corticosteroids. Corticosteroid nasal sprays can prevent or reduce inflammation. Examples of drugs: fluticasone (Flonase), mometasone (Nasonex), budesonide (Rinocort Aqua), triamcinolone (Nasacort AQ), beclomethasone (Beconase AQ).
• Decongestants. These preparations are available over the counter without a prescription and include drops, tablets, and nasal sprays. These drugs are used for several days, otherwise they can increase nasal congestion.
• Over-the-counter pain relievers include aspirin, acetaminophen (Tylenol and others) and ibuprofen (Advil, Motrin and others). Children should not be given aspirin.

Antibiotics

• Antibiotics are not usually needed to treat acute sinusitis.
• Antibiotics cannot treat acute sinusitis caused by a viral or fungal infection.
• Most cases of acute bacterial sinusitis can be treated without antibiotics.
• Antibiotics are generally used to treat severe, recurrent, or prolonged cases of bacterial infection.
• Antibiotics for acute sinusitis caused by a bacterial infection: amoxicillin, clarithromycin, etc. If the prescribed drug does not help against the infection, or the sinusitis recurs, the doctor may prescribe a different antibiotic.
• If your doctor has prescribed antibiotics for you, you need to complete the full course of treatment. This means that you need to take them for 10 to 14 days, even if the condition has already improved. If antibiotics are stopped early, symptoms may return.

Antifungals

In rare cases, acute sinusitis is caused by a fungal infection. Then intravenous drugs such as amphotericin B or voriconazole must be used. The dose of the drug, as well as how long you need to take it, depends on the severity of the infection and how quickly the symptoms of the disease are weakened.

Immunotherapy

If your sinusitis is accompanied by allergies, your doctor may prescribe allergen-specific immunotherapy, which will reduce your body’s response to allergens and help improve the condition.

Recommendations for home treatment

The following recommendations will help you weaken the symptoms of sinusitis:

• Observe the bed or home regimen. This will help your body fight infection and get better sooner.
• Drink plenty of fluids, such as water or juice. This will make the mucus thinner, which will help it drain. Avoid drinks containing caffeine or alcohol as they dehydrate the body. In addition, alcohol can worsen swollen sinuses and nose.
• Steam your nose. Breathe the steam over a bowl of hot water, covering your head with a towel, keeping your face directly above the steam. Or take a hot shower (if you don’t have a fever), breathing warm, moist air. This will help relieve pain and help the mucus pass.
• Apply warm compresses to the face. To relieve facial pain, cover your nose, cheeks, and eyes with a towel soaked in warm water.
• Flush nasal passages. Use a specially designed spray bottle (eg Sinus Rinse) to rinse your nasal passages.
• Sleep with your head elevated. This will help improve passage from the sinuses and reduce nasal congestion.

Prevention of acute sinusitis

th ways. Minimize contact with people who have a cold. Wash your hands frequently with soap, especially before eating.

You can get more detailed information about the treatment and prevention of acute sinusitis from the otolaryngologists of the Health 365 clinic in Yekaterinburg.

Otorhinolaryngology (ENT)

Otolaryngologist

ENT for children

ENT for patients older than 70

Appointment with endoscopy

Diagnostics

Ambulatory

Operations in a hospital

Diagnosis and treatment of acute sinusitis (sinusitis, frontal sinusitis, ethmoiditis, sphenoiditis) in Yekaterinburg in children and adults:

• st. Forge, 83
• st. Bazhova, 68
• st. Bazhova, 137
• st. Soyuznaya, 2
• st. Stepan Razin, 122
• st. Krestinsky, 2

Clinic “Health 365” – a network of multidisciplinary clinics of an expert class

Making an appointment with a doctor:
+7 (343) 270-17-17

Commercial and administrative issues:
+7 (343 ) 270-17-20

E-mail:
[email protected]

Antibiotics for short-term sinus infections in adults

Survey question

Is it faster to cure sinus infections in adults with antibiotics than without them?

Relevance

The sinus is a cavity located in the head. Adults with a short-term sinus infection have nasal congestion and a thick, yellow discharge. People with a sinus infection may feel mucus in the back of their throat, facial pain, pain when bending forward, and pain in the upper jaw or when chewing. A short-term sinus infection may be suspected after a physical examination and questioning about symptoms. Blood tests and sinus imaging can confirm the diagnosis but are not routinely recommended in most countries. Most often, short-term sinus infections are caused by viruses. However, doctors may prescribe antibiotics, which should only be used to treat bacterial infections. Taking antibiotics unnecessarily leads to antibiotic resistance in bacteria. We assessed whether antibiotics can cure adults with short-term sinus infections faster than dummy drugs (placebo) or no treatment.

Search date

January 18, 2018.

Study profile

We included 15 studies in which adults with short-term sinus infection, either confirmed or not by imaging, were randomly assigned to receive antibiotics, dummy drugs, or no treatment, on an outpatient basis. The studies included 3057 adults whose mean age was 36; about 60% of participants were female. Participants were followed up until cure. The duration of the tests varied from 8 to 28 days.

Research funding sources

Seven studies received government or academic funding; six are pharmaceutical industry grants; five did not report funding sources.

Main results

Without antibiotics, almost half of all participants were cured in 1 week and two-thirds in 14 days. For every 100 participants, 5 (diagnosed based on symptoms described by a physician) to 11 (diagnosed by x-ray) more people were cured more quickly when taking antibiotics. Computed tomography (CT) can predict who will benefit from antibiotics, but its routine use can lead to health problems due to exposure to radiation. For every 100 participants, 10 more people got rid of thick yellow nasal discharge faster when taking antibiotics compared to a dummy medication or no treatment. For every 100 participants, 30 more people experienced side effects (mostly stomach or intestinal) with antibiotics compared with a dummy drug or no treatment. When compared with people who initially took antibiotics, an additional 5 people out of 100 in the dummy or no treatment groups were forced to start antibiotics because their condition worsened. Serious complications (eg, brain abscess) were rare.

We found that antibiotics are not the first line of treatment for adults with short-term sinus infections. We found no evidence in adults with severe sinusitis or immunosuppression or in children.

Quality of evidence

When the diagnosis was based on symptoms reported to the physician, the quality of the evidence was high. We reduced the quality of the evidence to moderate when the diagnosis was confirmed by radiography or CT because the number of participants was small and the estimate became less reliable.

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Translation notes:

Translation: Kim Alina Valievna. Editing: Kukushkin Mikhail Evgenievich. Project coordination for translation into Russian: Cochrane Russia-Cochrane Russia (branch of the Northern Cochrane Center based at Kazan Federal University).