According to WebMD, atopic dermatitis is a skin condition that causes a scaling, itching rash behind the knees and on the face, arms and legs. Itching is the primary symptom of the condition and constant scratching leads to a scaling red rash that may ooze fluid. In some cases, continual scratching also causes skin to thicken. Atopic dermatitis is commonly referred to as eczema.Continue Reading
The Mayo Clinic explains that atopic dermatitis symptoms can begin as early as infancy. The rashes caused by atopic dermatitis are most commonly found in areas where the skin flexes, such as behind the knees and inside the elbows. Contact dermatitis is another form of dermatitis that occurs when the skin comes in contact with irritants or allergens. Symptoms of eczema include a burning rash and blisters.
According to MedlinePlus, the most common symptoms of eczema are dry skin and an itching rash that develops on the hands, feet and behind the knees. Medical professionals diagnose eczema based on family history and physical symptoms, as there is no single test to diagnose the condition. Allergic reactions to drugs or food can cause a rash anywhere on the skin that consists of red, itching bumps. Hives are also caused by stress and typically go away on their own.Learn more about Skin Conditions
Stasis dermatitis affects the skin of the lower legs and ankles, resulting in a brown discoloration and a cobblestone or bumpy appearance, according to MedlinePlus. The skin may appear very thin or become red, crusted or weepy, and scratching can cause irritation and cracking. In the early stages of the disease, many patients experience swelling and varicose veins, and the progression of the disease can result in open red sores, called venous ulcers, notes the American Academy of Dermatology.Full Answer >
Psoriasiform dermatitis is a condition involving raised thin ridges on the skin lying beside long papillae, according to the National Center for Biotechnology Information. It causes itchiness and comprises a large group of related conditions.Full Answer >
According to the American Academy of Dermatology, nummular dermatitis is a skin condition in which coin-shaped rashes break out and cause itching or burning. It is generally seen after some sort of skin injury, such as an insect bite, burn or friction-caused abrasion. One or many patches may break out, and it can persist for weeks or even months.Full Answer >
Eczema, or atopic dermatitis, is a condition in which the skin becomes inflamed, according to the American Academy of Dermatology. In psoriasis, silvery plaques build up on the skin because the skin cells grow too quickly and do not slough off the way they should.Full Answer >