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What does an infected mosquito bite look like?

Picture of 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. 

If you think you might have an infected insect bite, don’t wait to see your doctor. Book an online consultation with a pharmacist to get the care and treatment you need.

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

Your pharmacist can help

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What is Pharmacy First?

Pharmacy First is a new NHS-funded scheme that helps you quickly get the advice & treatment you need from a pharmacy, without needing to see a GP.

The conditions covered by Pharmacy First are:

Video consultations & advice are free of charge. If you pay for prescriptions you will be charged the prescription rate of £9.65 per prescription item.