Medically reviewed by Femi Aremu, PharmD Skin rashes can have many different causes, one of which is medications. The symptoms of drug-induced skin reactions can range from a mild itchy rash to ...

Anaphylactic reactions can cause widespread rashes that appear within minutes or hours of exposure to allergens. These rashes often start as small red spots or hives but can quickly spread and ...

However, the rash around your child's mouth might be due to a food allergy. Common foods that cause allergic reactions around the mouth include eggs, peanuts, milk, shellfish, and certain fruits.