A common type of seborrheic dermatitis of the scalp is dandruff. It tends to last a long time or disappears and comes back. It is often worsened by cold weather, hormonal changes and stress. Seborrheic dermatitis is not transmitted from person to person.
Seborrheic dermatitis (Seb-o-ree-ik) is a common skin condition that mainly affects the scalp. It causes scaly patches, redness of the skin and persistent dandruff. Seborrheic dermatitis can also affect fatty areas of the body, such as the face, sides of the nose, eyebrows, ears, eyelids, and chest. On the body, seborrhea often occurs in the middle part of the chest, around the navel and in the folds of the skin under the arm, under the breasts, and in the groin and buttocks area.
Seborrheic dermatitis can affect people of any age, although it is most common in infants and adults between 30 and 60 years old. Seborrheic dermatitis is a lifelong condition that comes on, goes away with treatment, and worsens from time to time. The doctor will first try to rule out other skin conditions that are similar to seborrheic dermatitis, such as psoriasis or eczema (also called atopic dermatitis). Seborrheic dermatitis is an easy-to-diagnose condition due to its appearance on the affected skin and where it appears on the body.
Dermatologists usually begin treating mild cases with a topical antifungal cream or medicated shampoo, such as a prescription antifungal shampoo or an over-the-counter anti-dandruff product. If you live in a dry and cold region, the weather does not cause seborrheic dermatitis, but it does make it worse. An inflammatory reaction to excess Malassezia yeast, an organism that normally lives on the surface of the skin, is the likely cause of seborrheic dermatitis. In adolescents and adults, seborrheic dermatitis of the scalp (dandruff) or face and body is a condition that comes and goes throughout life.
They may develop a condition that some call head and neck dermatitis that seems to be closely related to seborrheic dermatitis and is treated in a similar way. If a person has seborrheic dermatitis for the first time in adolescence or adulthood, it almost always tends to recur again and again. Babies with seborrheic dermatitis usually have a form called cradle cap, which appears on the scalp as scaly, greasy patches. After that, they should be able to determine if you have seborrheic dermatitis just by looking at your skin.
Dandruff, which affects the scalp, is a common type, but any skin with sebaceous glands can develop the condition. Dandruff usually appears on the scalp, where it is important to differentiate it from the “ring worm” of the scalp (fungal infection), psoriasis and other more “exotic” scalp rashes.