Pityriasis alba is a prevalent and benign dermatological condition that predominantly affects children and adolescents. This skin disorder is often considered a minor manifestation of atopic dermatitis and is typically associated with a history of atopy. Causes : The exact cause of pityriasis alba isn't known. However, it's commonly considered a mild form of atopic dermatitis, a type of eczema. Eczema may be caused by an overactive immune system that responds to irritants aggressively.
Symptoms: People with pityriasis alba get round, oval, or irregularly shaped patches of pale pink or red skin. The patches are usually scaly and dry. They may appear on the: face, which is the most common place upper arms neck chest back Treatment options: No treatment is required for pityriasis alba. The patches usually go away with time. Your doctor may prescribe a moisturizing cream or topical steroid…