Medically reviewed by Corinne Savides Happel, MD A laundry detergent allergy can cause an itchy, red rash to appear after ...

Bumps on the scalp can be caused by other skin disorders such as folliculitis, scalp acne, or dandruff. They could also show up due to an allergic reaction to a product or skincare routine.

Medically reviewed by Cordelia Nwankwo, MD Most vaginal bumps are harmless, but some might signal an infection. Other causes ...

Nose piercing allergy bumps are generally small but may be surrounded by a rash of red, scaly skin.They can be incredibly itchy and tend to be more irritated than painful. How to treat it ...

Aquagenic urticaria is a rare condition where people have an allergic skin reaction to water. The reaction typically involves hives and bumps and can occur as often as several times a day.

Rapid allergic reactions to milk may cause skin symptoms, such as itchy, raised, and red or discolored bumps. A baby may also experience swelling around the mouth, difficulty breathing ...

Symptoms of a contact allergy include red itchy bumps or blisters on the belly, feet, or muzzle and can result in intense scratching and hair loss. Romeo has occasionally had an allergic reaction ...