Orofacial granulomatosis is a rare skin condition that causes swelling in the face, mouth, or lips. The cause is often unknown, but experts think it’s related to allergies or an immune reaction.

MRS is a rare disorder that causes recurrent facial and mouth swelling, facial paralysis, and problems with your tongue. Treatment with corticosteroids and occasionally surgery may be helpful.

Red lips are considered a beauty ideal—but what does it mean when they suddenly appear pale, bluish, or chapped? FITBOOK explains what conclusions can be drawn about health from the color and ...

Ingredients in some vitamin supplements may cause hives or a skin rash. Treatments include antihistamines and topical corticosteroids.