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Dermatitis is a common condition that causes swelling and irritation of the skin. It has many causes and forms and often involves itchy, dry skin or a rash. Or it might cause the skin to blister, ooze, crust or flake.
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
To diagnose atopic dermatitis, your health care provider will likely talk with you about your symptoms, examine your skin and review your medical history. You may need tests to identify allergies and rule out other skin diseases.
To diagnose dermatitis, your doctor will likely look at your skin and talk with you about your symptoms and medical history. You may need to have a small piece of skin removed for study in a lab, which helps rule out other conditions.
Atopic dermatitis most often occurs where the skin flexes — inside the elbows, behind the knees and in front of the neck. Atopic dermatitis (eczema) is a condition that causes dry, itchy and inflamed skin. It's common in young children but can occur at any age.
Contact dermatitis shows up on skin that has been directly exposed to the substance causing the reaction. For example, the rash may show up along a leg that brushed against poison ivy. The rash can develop within minutes to hours of exposure, and it can last 2 to 4 weeks.
Seborrheic (seb-o-REE-ik) dermatitis is a common skin condition that mainly affects your scalp. It causes scaly patches, inflamed skin and stubborn dandruff. It usually affects oily areas of the body, such as the face, sides of the nose, eyebrows, ears, eyelids and chest.
La dermatitis es una afección frecuente que causa la hinchazón y la irritación de la piel. Tiene muchas causas y tipos, y a menudo implica piel con picazón y seca o un sarpullido. O bien, puede hacer que la piel se ampolle, exude, forme costras o se descame.
Your health care provider may be able to diagnose contact dermatitis by talking to you about your signs and symptoms. You might be asked questions to help identify the cause of your condition and uncover clues about the trigger substance.
To diagnose seborrheic dermatitis, your health care provider will likely talk with you about your symptoms and look at your skin. You may need to have a small piece of skin removed (biopsied) for study in a lab. This test helps rule out other conditions.