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 ...

Dermatitis. 2007;18(2):63-77. Mayence and colleagues [23] also found a high frequency of positive patch-test reactions in a study of 11 patients (mean age, 51 years), most of whom had high drug ...

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.

The risk for food allergy, asthma and allergic rhinitis was elevated among children who received antibiotics in early childhood, and risk was greater with five-plus courses, according to data ...

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 ...