A member asked:

Is the antibiotic cephlaxin good for poison spider / insect bites?

A doctor has provided 1 answer

No.: Cephalexin (and all other antibiotics) are prescribed for bacterial infections. Bug bites do not respond to antibiotics unless there is also an infection present, which does sometimes happen if bacteria gets into the bite. Most bites do well with a mild cortisone cream and antihistamines for the itching, but if pain or significant tenderness develops, see your doctor.

Answered 8/14/2019

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