Amoxicillin rash can develop in two forms ... Anaphylactic Reaction is a rare but severe allergic reaction that includes symptoms like difficulty in breathing, swelling of the face, lips, or ...

amoxicillin 50mg/kg + probenecid 25mg/kg as a single dose. Cephalosporin, imipenem or other allergy: not recommended. Discontinue if allergic reaction or drug-induced enterocolitis syndrome occurs.

Amoxicillin can commonly cause a mild rash that is usually not serious. However, you may not be able to tell it apart from a rare rash that could be a sign of a severe allergic reaction.