Psoriasis: Diagnosis and treatment - American Academy of Dermatology
https://www.aad.org/public/diseases/psoriasis/treatment/treatment
WebJan 5, 2023 · To diagnose psoriasis, a dermatologist will examine your skin, nails, and scalp for signs of this condition. Your dermatologist will also ask if you have any: Symptoms, such as itchy skin. Nail problems, such as thickening or yellowing nails or nail pain. Joint problems, such as pain and swelling or stiffness when you wake up.
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