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Types of Psoriasis


Plaque psoriasis
Skin lesions are red at the base and covered by silvery scales.

Guttate psoriasis
Small, drop-shaped lesions appear on the trunk, limbs, and scalp. Guttate psoriasis is most often triggered by upper respiratory infections (for example, a sore throat caused by streptococcal bacteria).

Pustular psoriasis
Blisters of noninfectious pus appear on the skin. Attacks of pustular psoriasis may be triggered by medications, infections, stress, or exposure to certain chemicals.

Inverse psoriasis
Smooth, red patches occur in the folds of the skin near the genitals, under the breasts, or in the armpits. The symptoms may be worsened by friction and sweating.

Erythrodermic psoriasis
Widespread reddening and scaling of the skin may be a reaction to severe sunburn or to taking corticosteroids (cortisone) or other medications. It can also be caused by a prolonged period of increased activity of psoriasis that is poorly controlled.

Psoriatic arthritis
Joint inflammation that produces symptoms of arthritis in patients who have or will develop psoriasis.


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Visit DermaHarmony to learn more about our alternative, science-based approach to psoriasis, rosacea, acne, dermatitis, and other common skin conditions. At DermaHarmony our goals are to educate chronic skin care sufferers about the latest alternative research in dermatology, encourage a holistic approach to healthy skin and wellness, and to support our readers in every way we can.


Most Visited Articles on Psoriasis

Healing Psoriasis Begins with Your Diet!
You may be surprised to learn that what you eat can drastically affect the condition of your skin. A diet rich in fruits and vegetables and their juices, plus whole grains may help to alleviate some of the discomfort associated with not only psoriasis, but other skin conditions as well, such as acne and Rosacea.
Vitamin D-3 and the Skin
Although there is currently no proven cure for psoriasis, recent research indicates that there are numerous health benefits to vitamin D. Supplementation with D-3 provides relief from many inflammatory ailments and medical conditions. We believe these include psoriasis, dermatitis, dandruff, eczema, rosacea, and severe acne.
Inverse Psoriasis
Inverse psoriasis is found in skin folds such as the armpits, groin, under the breasts, around genitals and the buttocks. Inverse psoriasis is more common in people who are overweight and people with deep skin folds where friction and sweating occur.
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Principal Authors: DermaHarmony Editorial Staff
Date of Publication: 03/13/2004
Updated: 06/07/2011