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The first step towards the right diagnosis is identifying your symptoms. It is important that you provide your Dermatologist with all the relevant details regarding your illness. For example: Signs, symptoms, triggers, family history, etc. Your Dermatologist will diagnose your disease condition based on your symptoms, history, visual examination and sometimes a skin biopsy.
A simple, but thorough visual examination of your skin, scalp and other areas generally affected by Psoriasis is an important part of the diagnosis process. Your Dermatologist will be able to distinguish the symptoms of Psoriasis from other skin diseases.
Your Dermatologist might take a small sample of your skin and send it to a laboratory. This procedure is known as a biopsy and is used to confirm the diagnosis of Psoriasis.
Everything You Need to Know About Psoriasis. Available[online] at URL: https://www.healthline.com/health/psoriasis. As accessed on January 22, 2020.