Koebner Phenomenon in Psoriasis

Koebner phenomenon in psoriasis, also known as isomorphic response, refers to the induction of new psoriasis skin lesions following local trauma or injury to the skin.

Koebner phenomenon is named after Dr. Koebner who in the 19th century observed that a patient developed new lesions in areas where his horse bit him.

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Psoriasis Signs and Symptoms

Psoriasis signs and symptoms vary according to the morphology, stage and anatomical site of involvement of the psoriasis rashes, which are scaly red plaques.

Read on: Psoriasis Signs and Symptoms