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Dermatitis is a general term used to describe a range of skin conditions. It can be caused by allergies, irritants, genetics, or environmental factors. While it is often not contagious, it can spread from one area of the body to another.
Allergic Dermatitis
Allergic dermatitis is caused by an allergy to a particular substance, such as pollen, pet dander, or certain fabrics. When the skin comes into contact with the substance, it can cause an itchy, red rash. In some cases, the rash can spread to other areas of the body.
Irritant Dermatitis
Irritant dermatitis is caused by an irritant, such as a harsh soap or detergent. When the skin is exposed to the irritant, it can become red and irritated. In some cases, the rash can spread to other areas of the body.
Contact Dermatitis
Contact dermatitis occurs when the skin comes into contact with a particular substance, such as latex or a plant. It can cause an itchy, red rash that can spread to other areas of the body.
Seborrheic Dermatitis
Seborrheic dermatitis is caused by a buildup of oil and dead skin cells on the scalp and other areas of the body. It can cause an itchy, red rash that can spread to other areas of the body.
Atopic Dermatitis
Atopic dermatitis is an inherited condition that can cause an itchy, red rash. It can spread to other areas of the body, but it is not contagious.
In general, dermatitis can spread from one area of the body to another. However, it is important to note that the cause of the dermatitis will determine if the rash is contagious or not. Allergic and irritant dermatitis are not contagious, but contact dermatitis and seborrheic dermatitis may be. It is important to speak with a dermatologist to determine the cause of the rash and the best course of treatment.