In most cases, your primary care doctor can diagnose psoriasis simply by examining your skin. If your doctor isn't sure if you have psoriasis, he or she may order a biopsy. This involves removing a small sample of skin and looking at it under a microscope.
How to diagnose Psoriasis ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How to diagnose Psoriasis ? [/INST] \n In most cases, your primary care doctor can diagnose psoriasis simply by examining your skin. If your doctor isn't sure if you have psoriasis, he or she may order a biopsy. This involves removing a small sample of skin and looking at it under a microscope.</s>