Pictures of hives, also known as urticaria, can help you to identify these raised, red, itchy bumps or welts. Causes include stress, infections, food or latex allergies, medications, and ...

Alpha-gal syndrome (AGS) is a severe tick-vectored food allergy caused by sensitivity to the galactose-alpha-1,3-galactose (alpha-gal) carbohydrate. It is now estimated to affect as many as ...

food allergies, seasonal allergies, indoor allergies, and pet allergies. Symptoms may range from sneezing, a runny nose, and coughing to a skin rash or itchy bumps. Seek help from a healthcare ...