When looking for a diagnosis of psoriasis, your physician will do a complete examination of the skin, nails and scalp.
A biopsy (taking a small skin sample) may be taken to rule out conditions that look similar in appearance. In particular, your doctor will look to exclude:
While there are no blood tests or radiological tests used to diagnose psoriasis, blood will be drawn for screening and monitoring the liver, kidneys and blood while on various oral medications for psoriasis.
Your doctor may screen your blood for the following:
As you take oral medications to treat psoriasis, your doctor will monitor your blood for the following:
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