Excessive oil production by the skin glands can cause skin inflammation and related discomforts to the patient, in common parlay it is known as dandruff. Seborrheic dermatitis or dandruff is an embarrassment for many people because of the itching it causes. It is generally attributed to the lack of personal hygiene. But, a close look at the causes and symptoms will give a different picture. It is a skin condition characterized by greasy or dry white scales, with or without associated reddened skin.
Cradle cap is the term used when seborrheic dermatitis affects the scalp of infants.
There is no cause for this condition. Seborrheic dermatitis appears to run in families. Stress, fatigue, extreme weather, oily skin, infrequent shampooing or skin cleaning, skin disorders such as acne, obesity and use of lotions that contain alcohol may increase the risk of seborrheic dermatitis. Neurologic conditions, such as Parkinson's disease, head injury and stroke are also associated with seborrheic dermatitis. Dandruff can appear on any part of the skin as patches on large areas.