Bite with bruise around it. Bug Bites with Bruising: Identification, Causes, and Treatment Guide
What types of bug bites can cause bruising around the affected area. How to identify different insect bites that may lead to bruising. When should you be concerned about a bruised bug bite and seek medical attention. What are the best ways to treat bug bites with bruising at home.
Common Insects That Can Cause Bruised Bites
While most bug bites result in mild symptoms like swelling and itching, certain insects can cause bruising around the bite area. Understanding which bugs are likely to leave bruised bites can help you identify the culprit and determine appropriate treatment.
Hornets and Wasps
Hornet and wasp stings often cause painful, swollen red marks that may develop a bruise-like appearance. The affected skin can turn blue or purple due to the injury. Typically, these symptoms resolve on their own within a few days without requiring medical intervention.
Mosquitoes
Mosquito bites are notorious for leaving small, itchy red bumps. In some cases, these bumps may darken over time, resembling a bruise. Like hornet and wasp stings, mosquito bite bruises usually don’t need medical attention and will heal naturally.

Spiders
Certain spider bites, especially from venomous species like the brown recluse or black widow, can cause significant bruising. These bites often develop rings around the site in various colors, including red, blue, purple, and white. This discoloration results from skin necrosis caused by the venom destroying tissue. Venomous spider bites require immediate medical care.
Ticks
Ticks burrow deep into the skin and must be carefully removed. While early removal may prevent symptoms, ticks can sometimes leave behind a red mark or bruise that may be swollen and itchy.
Identifying Bug Bites: Key Symptoms and Characteristics
Identifying the specific insect responsible for a bite can be challenging, but certain symptoms can provide clues. Here’s a guide to common bug bite symptoms in the United States:
- Mosquitoes: Small, red, itchy bumps
- Bedbugs: Red, itchy welts in a line or cluster
- Fleas: Small, red, itchy bumps, often on lower legs
- Fire ants: Painful, itchy red bumps that may blister
- Ticks: Small red bump, possibly with a bull’s-eye pattern
- Spiders: Two puncture marks, possible bruising or discoloration
- Bees and wasps: Red, swollen area around a central puncture point
Is it possible to definitively identify a bug bite based on appearance alone? While certain characteristics can provide clues, it’s not always possible to determine the exact insect responsible without witnessing the bite occur. If you’re unsure and concerned about symptoms, consult a healthcare professional for an accurate diagnosis.
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When to Be Concerned About a Bruised Bug Bite
Most bug bites, even those with bruising, are not cause for alarm and will heal on their own. However, certain symptoms warrant immediate medical attention:
- Difficulty breathing
- Facial swelling
- Hives
- Dizziness or fainting
- Confusion
These symptoms may indicate anaphylaxis, a severe allergic reaction that requires emergency treatment.
Additionally, seek medical care if you notice signs of infection, such as:
- Fever
- Chills
- Pus coming from the bite
- Swelling that continues to grow
- A red streak extending from the bite
Can a bruised bug bite lead to complications? While rare, serious bug bites can sometimes result in complications such as infections, Lyme disease (from tick bites), skin necrosis (from certain spider bites), or mosquito-borne viruses. However, bruising alone is not necessarily indicative of these complications.
Home Treatment for Bug Bites with Bruising
For mild bug bites that result in bruising, several home remedies can help alleviate symptoms:

- Clean the bite area with soap and warm water, then gently pat dry.
- Apply cold compresses or ice for 15 minutes at a time, several times a day, for up to 48 hours after the bite to reduce pain and swelling.
- Rest and elevate the affected area if possible to minimize swelling.
- After 48 hours, switch to warm compresses to help alleviate pain.
- Take over-the-counter pain relievers like acetaminophen or ibuprofen if approved by your doctor.
- For itching, use topical hydrocortisone cream or oral antihistamines like diphenhydramine.
How long does it typically take for a bruised bug bite to heal? Most bug bites, including those with bruising, will improve within a few days to a week. If symptoms persist or worsen beyond this timeframe, consult a healthcare provider.
Preventing Bug Bites and Reducing Risk of Bruising
Taking preventive measures can significantly reduce your risk of experiencing bug bites and associated bruising:
- Use insect repellent when outdoors, especially in wooded areas or during peak mosquito hours.
- Wear long sleeves and pants when in areas known for insects.
- Avoid wearing strong perfumes or scented products that may attract bugs.
- Check for ticks after spending time in wooded or grassy areas.
- Keep your yard free of standing water to reduce mosquito breeding grounds.
- Use screens on windows and doors to keep insects out of your home.
Are some people more prone to bruising from bug bites? Individuals with certain medical conditions or those taking blood-thinning medications may be more likely to develop bruising from bug bites. If you notice excessive bruising, consult your healthcare provider to rule out underlying issues.

Understanding the Science Behind Bug Bite Bruising
Bruising occurs when small blood vessels near the skin’s surface break, allowing blood to leak into surrounding tissues. In the case of bug bites, several factors can contribute to bruise formation:
- Venom or saliva injected by the insect can cause localized tissue damage.
- The body’s inflammatory response to the bite can increase blood flow to the area.
- Scratching or rubbing the bite can cause additional damage to blood vessels.
- Some insects, like ticks, can burrow into the skin, potentially damaging blood vessels.
Why do some people bruise more easily from bug bites than others? Individual factors such as age, skin thickness, medication use, and overall health can influence how easily a person bruises. Additionally, some people may have a more pronounced inflammatory response to insect bites, leading to more noticeable bruising.
Distinguishing Between Bruises and Other Bite Reactions
Not all discoloration around a bug bite is necessarily a bruise. It’s important to differentiate between true bruising and other common bite reactions:

- Bruises: Typically blue, purple, or dark red in color; may change color over time
- Inflammation: Red, warm to the touch, and may be raised
- Allergic reactions: Can cause widespread redness or hives
- Infection: May result in redness that spreads beyond the bite area, often accompanied by warmth and tenderness
How can you tell if discoloration around a bite is a bruise or something else? True bruises will typically change color over time, progressing from red or purple to green or yellow as they heal. If the discoloration doesn’t follow this pattern or is accompanied by other concerning symptoms, consult a healthcare provider for evaluation.
When to Seek Professional Medical Care for Bug Bites
While most bug bites can be managed at home, certain situations warrant professional medical attention:
- Signs of severe allergic reaction (anaphylaxis)
- Symptoms of infection that worsen or don’t improve with home care
- Bites from known venomous insects or spiders
- Tick bites, especially if the tick was attached for more than 24 hours
- Unusual or severe symptoms that don’t match common bug bite reactions
- Bites that occur while traveling in areas known for insect-borne diseases
What should you expect during a medical evaluation for a bug bite? A healthcare provider will likely examine the bite area, ask about your symptoms and potential exposure, and may recommend tests or treatments based on their assessment. In some cases, they may prescribe antibiotics for infection or administer treatments for allergic reactions.

By understanding the types of bugs that can cause bruising, recognizing when to be concerned, and knowing how to treat mild bites at home, you can effectively manage most bug bite situations. Remember to always prioritize prevention and seek medical care when necessary to ensure your health and safety.
What Kind of Bug Bite Leaves a Bruise? How to Identify
Bug bites are a fact of life, especially if you spend a lot of time outdoors. While allergies and other factors can lead to serious reactions, most bugs tend to cause mild symptoms like swelling and itchiness.
But depending on the bug and your individual reaction, bruising is possible. Bruising may occur from flying insects and from bugs that can burrow deep into your skin.
Find out more about the types of bugs that may cause bruising, what you should do, and how to identify the most common symptoms associated with certain bugs so you know when to seek medical treatment.
Should I be concerned?
A bruise from a bug bite isn’t usually a cause for concern. Most bug bite symptoms go away on their own within a few days.
However, if you know that a certain type of bug bit you, or if your symptoms worsen, you may need to see a doctor.
Was this helpful?
The following types of bug bites sometimes cause bruising.
Here’s what you need to know.
Hornets and wasps
Hornet and wasp stings are often painful.
After the sting occurs, the affected area of skin may be red and swollen. It may also look blue and purple due to the injury.
Such symptoms tend to resolve on their own within a few days without the need to see a doctor.
Mosquitoes
Mosquitoes are perhaps best known for leaving behind small, red bumps that are extremely itchy. Sometimes, these bumps may also darken, creating a bruise-like appearance.
As with hornets and wasps, mosquito bite bruises don’t usually require medical attention.
Spiders
Certain types of spider bites may also lead to bruising, including venomous ones like the brown recluse spider or black widow spider.
With this type of bite, you’ll notice rings around the site in varying colors, including red, blue, purple, and white. This is a result of skin necrosis from the venom, which destroys skin tissue.
Venomous spider bites require immediate medical attention.
Ticks
Ticks burrow deep in the skin, so you must carefully remove them by the head with a pair of tweezers.
When caught early, you may not notice any symptoms. Ticks can sometimes leave behind a red mark or bruise, which can also be swollen and itchy.
Aside from bruising, a bug bite may also cause redness and swelling (inflammation).
Even without a bruise, these symptoms may be present. Some insects, such as mosquitoes, may cause itchy bites.
Most symptoms are minor and will go away within a few days.
Signs of a more serious reaction
It’s possible for a bug bite to cause more serious reactions. Get medical attention right away if you experience signs of anaphylaxis, a serious allergic reaction that can cause:
- breathing difficulties
- facial swelling
- hives
- dizziness
- faintness
- confusion
You should also call your doctor if you experience symptoms of an infected bug bite, including:
- fever
- chills
- pus coming out of the bite
- swelling that continues to grow without improvement
- a red streak growing from the bite
A doctor will recommend home treatments to help alleviate mild bug bites.
Follow these steps for bug bites with bruising:
- First, wash the bug bite with plain soap and warm water. Pat (don’t rub) dry.
- Apply cold compresses or ice to the affected area for 15 minutes at a time, multiple times a day. This helps alleviate pain and swelling. Repeat up to 48 hours after the bug bite.
- Rest and elevate the affected area, if possible. This can help reduce swelling.
- Switch to warm compresses after 48 hours to help reduce pain. Repeat as often as needed.
- If your doctor says it’s OK, take a pain reliever such as acetaminophen (Tylenol) or a nonsteroidal anti-inflammatory drug (NSAID) like ibuprofen.
- For itchiness, consider a topical hydrocortisone cream or an oral antihistamine such as diphenhydramine (Benadryl). Follow all product directions carefully.
If you have a more serious bug bite, it’s important to get the area checked by your doctor before attempting to self-treat.
If you don’t know what bug you’ve come into contact with, you may be able to make this determination based on the symptoms of your bite.
Here’s a roundup of the most frequent symptoms associated with common bugs in the United States:
Serious bug bites may sometimes lead to the following complications:
- Infections. Fever, rash, and pus at the site of the bite are all signs of infection. It’s important to quickly address a possible infection such as cellulitis.
- Lyme disease. Caused by tick bites, early symptoms of Lyme disease can include a fever and a rash that looks like a red bull’s-eye.
- Necrosis. This can occur in the case of brown recluse spiders, whose venom can kill healthy skin tissue and lead to lasting complications such as scars.
- Viruses transmitted by mosquitoes. These include the West Nile virus, yellow fever, the Zika virus, and malaria.
A bruise alone may not be a sign of the above complications. That’s why it’s important to see a doctor if:
- you have a bite that won’t improve
- you develop symptoms related to a venomous spider or tick
Bruises are caused by broken blood vessels brought on by trauma to the body.
The black, blue, or purple areas of skin are a result of blood pooling underneath your skin.
Any type of injury or trauma can lead to a bruise. You might also be at risk for bruising based on:
- your age
- use of blood thinners
- bleeding disorders
Minor bruises don’t typically need medical attention. Severe bruising causes by more serious trauma such as car accidents may need to be evaluated for underlying damage.
Other types of bruises that may need further attention include those caused by bone fractures or a bleeding disorder.
Most bruises heal within 2 weeks, though more severe cases can take longer. See a doctor if your bruise doesn’t improve after 4 weeks, as it may be a sign of an underlying condition.
Bruising is just one of the many symptoms of a bug bite and is more common with some insects. Most cases are mild and can be treated at home.
See your doctor or another healthcare provider if you develop a severe reaction to your bug bite, or if the bruising doesn’t improve after several days.![]()
You should also seek medical attention if you suspect a venomous or disease-carrying bug might have caused your bites.
What Kind of Bug Bite Leaves a Bruise? How to Identify
Bug bites are a fact of life, especially if you spend a lot of time outdoors. While allergies and other factors can lead to serious reactions, most bugs tend to cause mild symptoms like swelling and itchiness.
But depending on the bug and your individual reaction, bruising is possible. Bruising may occur from flying insects and from bugs that can burrow deep into your skin.
Find out more about the types of bugs that may cause bruising, what you should do, and how to identify the most common symptoms associated with certain bugs so you know when to seek medical treatment.
Should I be concerned?
A bruise from a bug bite isn’t usually a cause for concern. Most bug bite symptoms go away on their own within a few days.
However, if you know that a certain type of bug bit you, or if your symptoms worsen, you may need to see a doctor.
Was this helpful?
The following types of bug bites sometimes cause bruising. Here’s what you need to know.
Hornets and wasps
Hornet and wasp stings are often painful.
After the sting occurs, the affected area of skin may be red and swollen. It may also look blue and purple due to the injury.
Such symptoms tend to resolve on their own within a few days without the need to see a doctor.
Mosquitoes
Mosquitoes are perhaps best known for leaving behind small, red bumps that are extremely itchy. Sometimes, these bumps may also darken, creating a bruise-like appearance.
As with hornets and wasps, mosquito bite bruises don’t usually require medical attention.
Spiders
Certain types of spider bites may also lead to bruising, including venomous ones like the brown recluse spider or black widow spider.
With this type of bite, you’ll notice rings around the site in varying colors, including red, blue, purple, and white.
This is a result of skin necrosis from the venom, which destroys skin tissue.
Venomous spider bites require immediate medical attention.
Ticks
Ticks burrow deep in the skin, so you must carefully remove them by the head with a pair of tweezers.
When caught early, you may not notice any symptoms. Ticks can sometimes leave behind a red mark or bruise, which can also be swollen and itchy.
Aside from bruising, a bug bite may also cause redness and swelling (inflammation).
Even without a bruise, these symptoms may be present. Some insects, such as mosquitoes, may cause itchy bites.
Most symptoms are minor and will go away within a few days.
Signs of a more serious reaction
It’s possible for a bug bite to cause more serious reactions. Get medical attention right away if you experience signs of anaphylaxis, a serious allergic reaction that can cause:
- breathing difficulties
- facial swelling
- hives
- dizziness
- faintness
- confusion
You should also call your doctor if you experience symptoms of an infected bug bite, including:
- fever
- chills
- pus coming out of the bite
- swelling that continues to grow without improvement
- a red streak growing from the bite
A doctor will recommend home treatments to help alleviate mild bug bites.
Follow these steps for bug bites with bruising:
- First, wash the bug bite with plain soap and warm water. Pat (don’t rub) dry.
- Apply cold compresses or ice to the affected area for 15 minutes at a time, multiple times a day. This helps alleviate pain and swelling. Repeat up to 48 hours after the bug bite.
- Rest and elevate the affected area, if possible. This can help reduce swelling.
- Switch to warm compresses after 48 hours to help reduce pain. Repeat as often as needed.
- If your doctor says it’s OK, take a pain reliever such as acetaminophen (Tylenol) or a nonsteroidal anti-inflammatory drug (NSAID) like ibuprofen.
- For itchiness, consider a topical hydrocortisone cream or an oral antihistamine such as diphenhydramine (Benadryl). Follow all product directions carefully.
If you have a more serious bug bite, it’s important to get the area checked by your doctor before attempting to self-treat.
If you don’t know what bug you’ve come into contact with, you may be able to make this determination based on the symptoms of your bite.
Here’s a roundup of the most frequent symptoms associated with common bugs in the United States:
Serious bug bites may sometimes lead to the following complications:
- Infections. Fever, rash, and pus at the site of the bite are all signs of infection. It’s important to quickly address a possible infection such as cellulitis.
- Lyme disease. Caused by tick bites, early symptoms of Lyme disease can include a fever and a rash that looks like a red bull’s-eye.
- Necrosis. This can occur in the case of brown recluse spiders, whose venom can kill healthy skin tissue and lead to lasting complications such as scars.
- Viruses transmitted by mosquitoes. These include the West Nile virus, yellow fever, the Zika virus, and malaria.
A bruise alone may not be a sign of the above complications. That’s why it’s important to see a doctor if:
- you have a bite that won’t improve
- you develop symptoms related to a venomous spider or tick
Bruises are caused by broken blood vessels brought on by trauma to the body.
The black, blue, or purple areas of skin are a result of blood pooling underneath your skin.
Any type of injury or trauma can lead to a bruise. You might also be at risk for bruising based on:
- your age
- use of blood thinners
- bleeding disorders
Minor bruises don’t typically need medical attention. Severe bruising causes by more serious trauma such as car accidents may need to be evaluated for underlying damage.
Other types of bruises that may need further attention include those caused by bone fractures or a bleeding disorder.
Most bruises heal within 2 weeks, though more severe cases can take longer. See a doctor if your bruise doesn’t improve after 4 weeks, as it may be a sign of an underlying condition.
Bruising is just one of the many symptoms of a bug bite and is more common with some insects. Most cases are mild and can be treated at home.
See your doctor or another healthcare provider if you develop a severe reaction to your bug bite, or if the bruising doesn’t improve after several days.
You should also seek medical attention if you suspect a venomous or disease-carrying bug might have caused your bites.
Is there a bruise from an insect bite, and what to do about it?
Is there a bruise from …
10 answers
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#1
9000 3
#2
#3
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#5
Kys
Hmm. It really does look like a tick. I remember that a wasp bit me – so in addition to swelling there was also a bruise.
#6
Raspberries #6
Raspberries
#7
Guest
This is neither a tick nor an allergy, and how dangerous it is is also not known. But it’s the same for me and my dad. An insect similar to a female ant bit in the first 2 hours at the dacha in a hot room. It bites painlessly, but the poison in the form of acid immediately turns blue the nearest vein (I have 3 cm below the bite), itches after 3-5 minutes with an area of 10 cm, the next day a 3 cm bruise diverges from the vein, after 1-2 it turned yellow, like an ordinary bruise. While alive, health is normal.
#8
Guest
I also, literally yesterday, got bitten in three places, melting between bites by a centimeter, literally after 15 minutes, huge bruise
#10
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What kind of insect bite leaves a bruise? – Drink-Drink
Insect bites are a fact of life, especially if you spend a lot of time outdoors.
While allergies and other factors can lead to severe reactions, most insects tend to cause mild symptoms such as swelling and itching.
But bruising is possible depending on the bug and your individual reaction. Bruises can be caused by flying insects and beetles that can penetrate deep into your skin.
Learn more about the types of beetles that can cause bruising, what you should do, and how to identify the most common symptoms associated with certain beetles so you know when to seek medical attention.
Should I be concerned?
Bruising from a bug bite is not usually a cause for concern. Most bed bug bite symptoms go away on their own within a few days.
However, if you know you have been bitten by a certain type of insect, or if your symptoms get worse, you may need to see a doctor.
Insect bites that can cause bruising
The following types of bug bites sometimes cause bruising. Here’s what you need to know.
Hornets and wasps
Hornets and wasps stings are often painful.
After a bite, the affected area of the skin may become red and swollen. It may also appear blue and purple due to injury.
These symptoms usually go away on their own within a few days without the need to see a doctor.
mosquitoes
Mosquitoes are perhaps best known for leaving behind small red bumps that are very itchy. Sometimes these bumps can also darken, giving the appearance of a bruise.
As with hornets and wasps, bruising from mosquito bites usually does not require medical attention.
Spiders
Some types of spider bites can also cause bruising, including poisonous ones such as the brown recluse or black widow spider.
With this type of bite, you will notice rings around the area in different colors, including red, blue, purple, and white. This is the result of skin necrosis from a poison that destroys skin tissue.
Venomous spider bites require immediate medical attention.
Ticks
Ticks burrow deep into the skin and must be carefully removed behind the head with tweezers.:max_bytes(150000):strip_icc()/toenail-trauma-1337801_final-91a19e2f9e61466cabf3af946098d621.png)
If detected early, you may not notice any symptoms. Ticks can sometimes leave a red mark or bruise behind, which can also be swollen and itchy.
What other symptoms should I look out for?
In addition to bruising, a bug bite can also cause redness and swelling (inflammation).
These symptoms may be present even without bruising. Some insects, such as mosquitoes, can cause itching when they bite.
Most symptoms are minor and will disappear within a few days.
Signs of a more serious reaction
A beetle bite may cause more serious reactions. Seek immediate medical attention if you experience signs of anaphylaxis, a serious allergic reaction that can cause:
- difficulty breathing
- facial swelling
- hives
- dizziness
- paleness
- confusion
You should also call your doctor if you experience symptoms of an infected insect bite, including:
- fever
- chills
- pus comes out of bite
- tumor that continues to grow without improvement
- red line growing from the bite
How is a bedbug bite treated?
Your doctor will recommend home treatments to help relieve mild bed bug bites.
Follow these steps for bruised insect bites:
- First, wash the bug bite with plain soap and warm water. Blot (do not rub) dry.
- Apply cold compresses or ice to the affected area for 15 minutes several times a day. This helps reduce pain and swelling. Repeat within 48 hours of the bug bite.
- Rest and elevate the affected area if possible. This may help reduce swelling.
- Switch to warm compresses after 48 hours to relieve pain. Repeat as often as needed.
- If your doctor says everything is fine, take a pain reliever such as acetaminophen (Tylenol) or a non-steroidal anti-inflammatory drug (NSAID) such as ibuprofen.
- For itching, consider a topical hydrocortisone cream or an oral antihistamine such as diphenhydramine (Benadryl). Follow all product directions carefully.
If you have a more severe bed bug bite, it’s important to have your area checked by your doctor before you try to treat it yourself.
How to identify a bug bite?
If you don’t know which insect you are dealing with, you can make this determination based on the symptoms of your bite.:max_bytes(150000):strip_icc()/GettyImages-155423197web-5714fa5d5f9b588cc2019b53.jpg)
Here is a summary of the most common symptoms associated with common errors in the United States:
| bruising | redness | swelling | Itching | Reliefs | Color rings | Rash/cluster bites | pain |
| bed bug 9 0410 | x | x | x | x | |||
| bee | x | x | x | x | |||
| flea 8 | fly | x | x | x | x | ||
| mosquito | x | x | x | x | |||
| hornet or wasp | x | x | x | x | x | x | |
| mosquito | x | x | x | x | x | ||
| spider | x | x | x | x | |||
| pincer | x | x | x | x | x |
What complications are possible after a bug bite?
Serious bedbug bites can sometimes lead to the following complications:
- Infections.
Fever, rash and pus at the bite site are all signs of infection. It is important to quickly eliminate a possible infection such as cellulitis. - Lyme disease. Early symptoms of Lyme disease caused by tick bites may include fever and a red bull’s-eye rash.
- Necrosis. This can occur in the case of brown recluse spiders, whose venom can kill healthy skin tissue and lead to long-term complications such as scars.
- Viruses transmitted by mosquitoes. These include West Nile virus, yellow fever, Zika virus and malaria.
Bruising alone cannot be a sign of the above complications. That’s why it’s important to see a doctor if:
- you have a bite that won’t get better
- you have symptoms associated with a venomous spider or mite
What else can cause a bruise?
Bruises are caused by rupture of blood vessels caused by trauma to the body. Black, blue, or purple patches of skin are the result of a pool of blood under the skin.:max_bytes(150000):strip_icc()/talus-fractures-2549436_final-3b5774c8102f4aa58615e0df5e2af0f7.png)
Any type of injury or trauma can cause bruising. You may also be at risk of bruising based on:
- Your age
- use of blood thinners
- bleeding disorders
Minor bruising usually does not require medical attention. Serious bruising caused by a more serious injury, such as a car accident, may need to be evaluated for underlying damage.
Other types of bruising that may require additional attention include bruising caused by broken bones or bleeding disorders.
Most bruises heal within 2 weeks, although more severe cases may take longer. See your doctor if your bruise doesn’t go away after 4 weeks, as this could be a sign of an underlying condition.
Conclusion
Bruising is just one of the many symptoms of a bug bite and is more common in some insects. In most cases, the disease is mild and treated at home.
Call your doctor or other health care provider if you have a severe reaction to a bed bug bite or if the bruise does not go away after a few days.

I can’t tell my parents
I can’t tell my parents
Fever, rash and pus at the bite site are all signs of infection. It is important to quickly eliminate a possible infection such as cellulitis.