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Whats in mucinex dm: What is the difference between Mucinex D and Mucinex DM?

Uses of Mucinex DM | Vinmec

This is an automatically translated article.

Mucinex DM is a medicine used in cases of cough caused by pathologies in the respiratory tract. This is a cough medicine that has a combination of two drugs that work by different mechanisms, helping to increase the therapeutic effect. So what should patients pay attention to when using Mucinex DM?

1. What does Mucinex DM do?

In the cough medicine Mucinex DM has the main ingredients are dextromethorphan, guaifenesin. Prepared in the form of tablets. Guaifenesin is an expectorant by stimulating secretions in the respiratory tract, increasing the volume and reducing the viscosity of mucus in the trachea and bronchi. As a result, the drug increases the effectiveness of the cough reflex, making it easier for you to expel the phlegm. The drug is often indicated to treat symptoms of cough with thick mucus that is difficult to expel due to colds and upper respiratory tract infections. It is often combined with other drugs such as bronchodilators, nasal decongestants, antihistamines or opiate antitussives.
Dextromethorphan is an opiate antitussive drug, which relieves cough by inhibiting the cough center in the medulla oblongata. Although the chemical structure of Detromethorphan is related to morphine, dextromethorphan has no analgesic effect and also has very little sedative effect. These two ingredients are used in combination in removing phlegm and reducing symptoms of respiratory infections.

2. Indications and contraindications of the drug Mucinex DM

Mucinex DM is indicated in the following cases: The drug is often used to treat cough and sputum congestion caused by the common cold, allergies, viral infections, bacterial infections….
The drug is not used. in the following cases:
Patient has a history of allergy to any ingredient of the drug. Do not use this medicine in children under 12 years of age. Do not take this medicine if you are taking a prescription monoamine oxidase inhibitor (MAOI) (certain medications used to treat depression, psychosis, or Parkinson’s disease) or for 2 weeks after stopping the MAOIs.

3. How to use and dose Mucinex DM

The drug is taken orally with water and often taken with a lot of water to increase the effectiveness of the drug.
Dosage of Mucinex® DM:
Adults: Dosage is 1 tablet every 12 hours, do not take more than 2 tablets in 24 hours. Dosage for children 12 years and older: give children 1 tablet every 12 hours, do not take more than 2 tablets in 24 hours. The drug is not for use in children under 12 years of age.

4. Side effects when taking Mucinex DM

Some possible side effects when taking Mucinex DM include:
You should stop using this medicine and go to a medical facility immediately if you have symptoms such as: Mood swings, severe headache , have severe dizziness or anxiety. Some other side effects such as: Dizziness, drowsiness or insomnia, diarrhea, often feeling anxious, restless or irritable. The above is not a complete list of side effects and other side effects may occur. If you notice any side effects, consult your doctor.

5. Notes when using Mucinex DM

Before using the drug, carefully read the instructions for the use of the drug and the ingredients to avoid misuse or use when there is a drug allergy. Mucinex Dm should not be used in cases of persistent or chronic cough such as in patients who smoke, have bronchial asthma, chronic bronchitis, emphysema or cough with excessive phlegm. When taking the drug, you need to be fully rehydrated and do not arbitrarily use the drug for more than 7 days without consulting your doctor. For pregnant and lactating women: Always weigh the benefits and risks carefully before taking. If not absolutely necessary, it is best not to use it. Prolonged use of Dextromethorphan can cause drug-dependent reactions, which are rare but should be taken into account. Drug Interactions: Note the simultaneous use of this drug with other drugs with the same ingredients. Because of the risk of overdose. Because the drug can cause dizziness, affecting the ability to use machines, so use extreme caution when operating machinery. Store the medicine in a cool place, out of reach of children. Above is some information about the drug Mucinex DM, if there are things you do not understand, you should ask your doctor or pharmacist directly to be able to use the drug safely.

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Cold & Flu Product Ingredients
– Mucinex USA

  • Home
  • Our Ingredients

When you’re struggling with a nasty cough, icky mucus, and a nose that won’t stop running, you want relief, fast. Understanding the best active ingredients to help relieve your symptoms will ensure you pick the right over-the-counter treatment for you.

Learn how our ingredients work and how they help you get relief.

  • Acetaminophen – Pain Reliever/ Fever Reducer

    A medication that relieves pain by raising the body’s pain threshold. It reduces fever by helping your body eliminate excess heat.

    Relieves the following symptoms:

    – Headache
    – sore throat
    – minor aches and pains
    – Reduces fever

  • Dextromethorphan HBr – Cough Suppressant

    A cough suppressant that calms the cough reflex.

    Relieves the following symptoms:
    – Cough

  • Guaifenesin – Expectorant

    An expectorant that clears the airways by thinning and loosening excess mucus in the air passages, making it easier to cough up the mucus.

    Relieves the following symptoms:
    – Chest Congestion

  • Phenylephrine HCI – Nasal Decongestant

    A nasal decongestant that helps reduce the swelling of the tissues in the nasal passageways, allowing you to breathe more easily.

    Relieves the following symptoms:
    – Nasal and Sinus Congestion

  • Diphenhydramine HCI – Antihistamine/ Cough Suppressant

    An Antihistamine that blocks the effects of histamine and provides relief of runny nose, sneezing, and itchy, watery eyes.

    Relieves the following symptoms:
    – Sneezing
    – Runny Nose

  • Triprolidine HCl – Antihistamine

    An Antihistamine that blocks the effects of histamine and provides relief of runny nose, sneezing, and itchy, watery eyes.

    Relieves the following symptoms:
    – Sneezing
    – Runny Nose

  • Oxymetazoline Hydrochloride – Nasal Decongestant

    A topical nasal decongestant that helps reduce the swelling of the tissues in the nasal passages, allowing you to breathe more easily.

    Relieves the following symptoms:
    – Sinus Congestion
    – Sinus Pressure
    – Nasal Congestion

  • Doxylamine Succinate – Antihistamine

    An Antihistamine that blocks the effects of histamine and provides relief of runny nose, sneezing, and itchy, watery eyes.

    Relieves the following symptoms:
    – Sneezing
    – Runny Nose

Mucinex vs Mucinex DM: Difference & Comparison

The most common illness is cough and runny nose. Every person on the planet has experienced this at least once in their life. However, it is quite normal and easy to treat, in some cases, the pain and danger from this increase.

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What is another name for Newton’s first law?


Change of momentum

Law of inertia

Constant momentum

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Mangifera Indica

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human species

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So you have to take medicine. Mucinex and Mucinex DM are the most common medications used to treat it.

As their names suggest, they are both very similar, but not the same. To take any of them, it is important to know the severity of the disease, the benefits and information about both drugs. Only then should they be consumed.


  1. Mucinex is an expectorant used to thin and loosen mucus in the airways while Mucinex DM is an expectorant and depressant used to relieve cough and chest congestion.
  2. Mucinex contains only guaifenesin as the active ingredient, while Mucinex DM contains both guaifenesin and dextromethorphan.
  3. Mucinex is used for productive coughs and Mucinex DM is used for nonproductive coughs.

Mucinex vs Mucinex DM

Mucinex is a medicine used to treat coughs. This medicine may cause allergies in some people. Therefore, before taking the medicine, you should consult your doctor. Nausea is one of the side effects of this medicine. Mucinex DM is also used to treat coughs. Drinking alcohol should be avoided after taking this medicine.

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Mucinex, also called guaifenesin, is an expectorant that helps relieve congestion in the chest and throat. It is recommended for a normal adult to take 3-4 doses per day for best relief. It is not very expensive and comes in different packages.

Mucinex DM is a medicine used to treat chest congestion and cough. It is a very strong medicine; therefore, they can only be taken as prescribed by a doctor.

Also, the dosage should not be increased by 2 doses per day. It has a similar composition and processing, except for the presence of dextromethorphan, which makes it slightly more expensive.

Comparison table

Comparison parameters Mucinex Mucinex DM
Definition This expectorant helps to get rid of congestion. This is a medicine used to suppress coughs.
Kit guaifenesin guaifenesin with dextromethorphan
Helps in thins mucus or sputum cough medicine
dosage 1 or 2 doses 12 hours later 1 dose after 12 hours
Availability Maximum 100 and minimum 20 tablets per pack. Pack of maximum 20 or 40 tablets

What is Mucinex?

This is a medicine used to treat coughs and colds by curing congestion in the throat and chest so that the cough can be easily expelled through the mouth.


  1. Before taking this medicine, a person should consult a doctor to make sure they are not allergic to it.
  2. A pregnant woman should avoid this; otherwise, be sure to consult your doctor before consuming.
  3. If a mother is breastfeeding, she should also consult a doctor to find out if the medicine is safe to take.

How to take Mucinex?

This is quite simple; as everything is described on the package/label, otherwise a doctor should be consulted if any problem still occurs. It is recommended not to take this medicine for longer or in large amounts.

If a person has an upset stomach, they should take it with food, which should be kept at room temperature away from direct heat/light.

Side effects of the medicine:

  1. If you experience an allergic reaction, seek emergency medical attention immediately. An allergic reaction includes swelling of the face or throat, difficulty breathing, etc.
  2. Common side effects include upset stomach, nausea, vomiting, etc.

What is Mucinex DM?

This is a cough medicine. It will cure a cough that is not caused by smoking. Consumption of Mucinex DM should be avoided if the person has used an MAO inhibitor within the last 2 weeks, as this can lead to dangerous consequences. drug interaction.

Any strenuous activity should be avoided after consumption. Drinking alcohol should also be avoided as it can lead to some side effects.

Side effects:

  1. Extreme headaches.
  2. Feeling restless and dizzy.
  3. The problem of insomnia.
  4. Irritation and restlessness.

In addition to all of the above, there may be other side effects. And in case of any severe symptoms, you should immediately seek medical help.

How to take Mucinex DM?

It should not be taken for longer periods as all cough and cold medicines are only meant to be taken for a short period of time. It should not be used to force offspring/baby to sleep.

The medicine must be measured carefully as it is very heavy and more will cause side effects. Before any operation, the surgeon must be informed whether the patient has consumed it.

Otherwise, generally follow the steps on the label and store the medicine in a cool and dry place.

Main differences between Mucinex and Mucinex DM

  1. Mucinex DM is more effective because it contains not only guaifenesin, but also dextromethorphan, while Mucinex contains only guaifenesin.
  2. Mucinex helps clear mucus from the airways by thinning phlegm, while Mucinex DM helps suppress coughs.
  3. Mucinex DM is stronger than Mucinex due to the presence of dextromethorphan.
  4. Mucinex DM is also beneficial in the treatment of sinusitis. infection and cough, while Mucinex is only used for respiratory fluid clearance.
  5. Mucinex DM has more ingredients; therefore, it is very heavy, and within 1 hour it is allowed to use only 12 tablets, i.e. no more than 24 tablets should be consumed per day (2 hours), while for comparison, Mucinex is lighter and 1-2 tablets can be taken. consumed in 12 hours, and a maximum of 4 tablets in one day, i.e. in 24 hours.
  6. Mucinex is supplied in a package of minimum 20 and maximum 100 tablets, while Mucinex DM is supplied in packages of 20 or 40 tablets.


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Mucinex vs Mucinex DM – The health of your body

od Emma



When you need help to reduce breast congestion, Mucinex and Mucinex DM are two over-the-counter drugs that can help. Who are you pulling? Here is some information comparing the two medicines to help you understand if one of them might work better for you.

Active ingredients

Mucinex and Mucinex DM contain guaifenesin. It’s expectorant. It helps clear mucus from the lungs to make coughing more productive. A productive cough produces mucus that causes congestion in the chest. This helps you breathe better. It also makes it easier to remove germs that might get into the mucus you cough up.

Mucinex DM contains an additional medicine called dextromethorphan. This medicine helps control cough. It works by affecting the signals in your brain that trigger the cough reflex. It reduces your cough. The action of this ingredient can be especially beneficial if a prolonged cough clogs the throat and makes it difficult to sleep.

Forms and strengths

Regular tablets

Both Mucinex and Mucinex DM are available as oral tablets. You can take one or two tablets of any medicine every 12 hours. You should not take more than four tablets in 24 hours for both medicines. Tablets should not be used by persons under 12 years of age.

Buy Mucinex.

Extra Strength Tablets

Mucinex and Mucinex DM tablets are also available in high strength versions. These drugs contain twice as many active ingredients. You must take more than one maximum strength tablet every 12 hours. Do not take more than two tablets in 24 hours.

Shop Mucinex DM.

Regular and maximum strength products are packaged in the same way. However, the packaging of the maximum strength product has a red inscription on top of the box, indicating its maximum strength. Make sure you take the regular or maximum strength version so you don’t accidentally take too much.


A liquid version of Mucinex DM is also available, but only in the highest strength form. Talk to your doctor or pharmacist to determine which form is best for you. Mucinex DM Liquid is only for people 12 years of age and older.

Buy liquid Mucinex DM.

Mucinex liquid products are available that are specifically formulated for children 4 to 11 years of age. These products are labeled “Mucinex Children”.

Children’s shop Mucinex.


Mucinex and Mucinex DM do not usually cause noticeable or irritating side effects at recommended doses. Most people tolerate these medications very well. However, at higher doses, the likelihood of side effects from the drugs Mucinex and Mucinex DM increases. The table below provides examples of possible side effects of Mucinex and Mucinex DM.

Common side effects of Mucinex Mucinex DM constipation ✓ diarrhea ✓ desmatism ✓ ✓ sleep ✓ headache ✓ ‚ nausea, vomiting or both ✓ frequent pain ✓ severe side effect of Mucinex Mucinex DM confusion feelings of nervousness, restlessness ✓ crying or anxiety * stone or anxiety *used in high doses


If you are taking other medicines, talk to your doctor or pharmacist to make sure the medicines do not work with Mucinex or Mucinex DM. Some medicines to treat depression, other psychiatric disorders, and Parkinson’s disease may affect the dextromethorphan in Mucinex DM. These drugs are called monoamine oxidase inhibitors, or MAOIs. Examples of such drugs include:

  • selegiline
  • phenelzine
  • rasagiline

Interactions between these drugs and Mucinex DM may cause a serious reaction known as serotonin syndrome. This reaction can be life-threatening. Symptoms of serotonin syndrome include:

  • high blood pressure
  • increased heart rate
  • high fever
  • anxiety
  • overactive reflexes

Do not take Mucinex along with MAOI. You must also wait at least two weeks after stopping your MAOI treatment before using Mucinex DM.

Continue reading: Serotonin syndrome symptoms, treatment and more »

Abuse warning

Combining this drug with alcohol can be extremely dangerous.

In addition, dextromethorphan, one of the ingredients of Mucinex DM, is a widely used drug. May use high or euphoric if used in high doses. It can even cause hallucinations. This is called “robo tripping” or “skittles”. This kind of abuse is very dangerous and can lead to death.

Pharmacist advice

The following steps can help you get a drug that works for you. For best results:

  • Be sure to tell your pharmacist if your cough is non-productive (dry) or productive (wet).