Psoriasis – Symptoms, Types | Pediatric Oncall
PSORIASIS
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Last Updated : 8/1/2015
Ira Shah
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How does a patient with psoriasis present?
Patients have a dry skin and affected area has red scaly patches. Itching may occur in hot and humid climate. The common areas affected are the elbows, knees and back. Plaques on hands and feet can prevent individuals from working at certain occupations, playing some sports, and caring for family members or a home. Plaques on the scalp can be particularly embarrassing as flaky plaque in the hair can be mistaken for dandruff.

Does psoriasis affect only the skin?
Nails may also be involved in about 50% of patients with psoriasis. Nails have a pitted surface. Some individuals may also have arthritis.

Types
Classic plaques of psoriasis are seen in 80-90% of affected individuals. Erythrodermic psoriasis causes widespread inflammation and exfoliation of the skin over most of the body surface. It may be accompanied by severe itching, swelling and pain. It is often the result of an exacerbation of unstable plaque psoriasis.

When the skin lesions are filled with pus, it is called as pustular psoriasis. Sometimes psoariasis can involve the flexure folds of the skin such as genitals, armpits, under the breast. This is known as flexural psoriasis and is aggravated by friction and sweating. Guttate psoriasis is characterized by numerous small, scaly, red or pink, teardrop-shaped lesions that appear over primarily the trunk, but also the limbs, and scalp. Guttate psoriasis is often preceded by a streptococcal infection.

Psoriasis can also affect the joints and is known as psoriasis arthritis. Psoriatic arthritis can affect any joint but is most common in the joints of the fingers and toes. Psoriatic arthritis can also affect the hips, knees and spine (spondylitis)



Contributor Information and Disclosures

Ira Shah
Consultant Pediatrician, Nanavati Hospital, Mumbai, India


First Created : 1/25/2001
Last Updated : 8/1/2015

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