Has an insect bite become hot, painful or increasingly swollen? Complete a free online consultation for a UK-registered prescriber to review. If an antibiotic is suitable, your prescription can be dispensed by our registered pharmacy and delivered discreetly to your door as quickly as the next working day.
Registered UK
Prescribers
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Doctors
2-minute
Consultation
UK-wide express
Delivery
for Infected Insect Bites
£39.99
Start your Consultation
for Infected Insect Bites
£39.99
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Start your ConsultationAn insect bite can become infected if bacteria get into the skin, particularly after scratching. Increasing pain, warmth, spreading redness or pus may be signs of infection.
If antibiotic tablets are appropriate, flucloxacillin is usually the first choice. Clarithromycin may be suitable if you are allergic to penicillin. A UK-registered prescriber will assess your symptoms and decide which treatment is right for you.
Fill out a simple online form with no GP or pharmacy visits.
A UK-registered pharmacist reviews your details to decide the best treatment option for you.
If prescribed, you can get express delivery in discreet packaging right to your doorstep.
1–2 working days
£3.99
Guaranteed next working day delivery
£8.95
All orders are sent in plain, unmarked packaging with no indication of the contents. Your privacy is our priority.
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Possibly. Spreading redness, increasing pain, warmth or pus make infection more likely. A UK-registered prescriber will assess your symptoms and decide whether an antibiotic is suitable.
Yes. Complete our free online consultation. If treatment is suitable, your prescription can be dispensed by our registered pharmacy and delivered as quickly as the next working day.
Yes. Flucloxacillin is usually the first-choice antibiotic for a skin infection following an insect bite. A UK-registered prescriber will check whether it is suitable for you.
Tell the prescriber about your allergy and any other medicines you take. Clarithromycin may be a suitable alternative.
Yes. Bacteria can enter through the bite and cause a spreading skin infection called cellulitis. Antibiotic tablets may be needed if this develops.
Five days. Take the antibiotic as prescribed, even if the bite starts to improve sooner.
You should usually start to improve within two to three days. If you are not improving by then, contact us or seek medical advice. Get help sooner if the infection spreads quickly or you feel unwell.
Skin can take longer to return to normal after the infection improves. If pain or swelling is getting worse, or the infection is still spreading, contact us for a review. The prescriber can decide whether you need more treatment.
They may contact you with further questions and advise you on the next step. If your order is declined after clinical review, you will receive a full refund.
Seek urgent medical advice if redness is spreading rapidly, the bite is near your eye, or you have a fever or feel very unwell. Call 999 if your lips, mouth or throat swell, or you have difficulty breathing.
All of our medication and condition content is written by UK qualified pharmacists and doctors
Clinical content reviewed by
Hussain Member
Superintendent Pharmacist GPhC 2221167
Reviewed Date
16 September 2026
Next Review
16 September 2027
UK Registered Prescribers & Pharmacists
100% Discretion & Confidentiality
Express Next day Delivery
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My Chemist Plus is registered and regulated by the GPhC, who are the official body that regulates and inspects all pharmacies in the UK. They are responsible to ensure we provide the highest standards in care.
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