what causes dermatitis
By Dr Ananya Mandal, MD. Dermatitis is a common skin condition caused by inflammation of the skin. There are several different forms of dermatitis but all are caused by the skin reacting to allergens or irritants.Dermatitis is usually characterized by red, itchy skin that can become blistered and weepy.eborrheic dermatitis. This condition affects skin areas with sebaceous glands and typically occurs across the face, nose, and inside of the ears. Other skin areas affected include the back, neck and chest. When the condition affects children, it is often termed cradle cap.