Abstract
Psoriasis (derived from the Greek word psora meaning to itch) is a common immune-mediated papulosquamous skin disease. First recognized as an independent condition by English dermatologist Robert Willan in 1798, the term is now used to include a variety of clinical appearances with different morphology, distribution, severity and course. Although common, the pathogenesis of psoriasis is not well understood and involves a multitude of genetic and environmental factors. Management of psoriasis includes controlling the extent and severity of disease and its complications, improving the patient's quality of life while minimizing potentially toxic side effects of treatments. This review aims to provide an overview of this complex condition, from its presentation, diagnosis, management in primary care and the referral criteria to secondary care.
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