PENICILLIN reactions may be immediate, delayed or accelerated. Those that are immediate occur within minutes of the administration of the agent; the others take place much later. The term ...

Drug rashes can be an unwanted side effect of many medications. Learn which medications can cause these skin reactions.

About 10% of Americans have a history of allergic reactions to penicillin, but studies suggest less than 1% have a true ...

All antibiotics can cause drug rashes — as can antiseizure and antigout medications and even over-the-counter medications like NSAIDs. And while some patients have severe reactions, the majority ...

Patch testing may have a diagnostic role in the evaluation of exanthems due to systemic antibiotics. The frequency of positive patch-test reactions in these cases varies between 31% and 83% and is ...