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What does an infected mosquito bite look like?

Andrew Bellingham

Andrew Bellingham

Pharmacist | 20+ Years | BPharm | Dip Clin Pharm

With more than 30 types of native mosquito species in the UK, chances are that you’ve already experienced the nuisance of being bitten

Mosquitoes prefer warm, damp weather, and are typically active for 6 to 7 months of the year. This is usually between the months of April and October. 

Mosquito bite symptoms

Though mosquito bites usually get better within a few days, they can cause discomfort and, in rare cases, lead to complications. 

Here are some common symptoms associated with mosquito bites:

  • Red, raised bumps on the skin

  • Itchiness (caused by histamines released by your body)

  • Skin around a mosquito bite may feel warm to the touch

  • Bites can be painful if you’ve bitten multiple times, or have sensitive skin

How to tell if a mosquito bite is infected?

You can reduce the likelihood of your bites becoming infected by keeping the affected area clean with warm, soapy water. You should also avoid scratching the bite, which can cause the skin to break, leading to infection. 

Your mosquito bite may be infected if you have any of the following symptoms: 

  • Redness and swelling expands beyond the bite area
  • Increasingly painful or tender to the touch
  • Feels warm or hot compared to the surrounding skin
  • Pus or other discharge in or around the bite
  • Fever, chills, or generally feeling unwell

Infected mosquito bite

Frequently asked questions about insect bites

What are the symptoms of an infected insect bite?

Symptoms of an infected insect bite include redness, swelling, warmth, pain or itching around the bite area. You may also have pus in or around the bite.

How to treat an infected insect bite at home?

To treat an infected insect bite at home, clean the area with soap and water, apply an antiseptic, and use a cold compress to reduce swelling.

When should I seek medical help for an infected insect bite?

You should consult your pharmacist immediately if an insect bite shows signs of infection like increasing redness, warmth, pus or spreading.

A mosquito biting someone's arm that may result in an infection

Do you have an infected bite?

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