If you have ever had an allergic reaction to penicillin, you may have been told to also avoid cephalosporin antibiotics. Most people with penicillin allergy can tolerate cephalosporin antibiotics ...

Allergic reactions to antibiotics might be immediate or delayed. This means that a person may experience adverse effects of the drug within an hour or within weeks. Anyone who has an allergic ...

Side effects of penicillins include: You should not take penicillin if you've had a severe allergic reaction to penicillin or have experienced Stevens-Johnson syndrome after penicillin.

Purpose: Stevens-Johnson syndrome (SJS) and toxic epidermal necrolysis (TEN) associated with the use of nonsteroidal antiinflammatory drugs (NSAIDs) are described. Summary: A search of the English ...

Of 38 patch-test reactions, 15 (39%) were positive to antibiotics. The majority were due to penicillins (57% [12 of 21]); one in each case was due to cephalosporins (1 of 3), clindamycin (1 of 3 ...