Diagnosis of Psoriasis


Because it can look like other skin problems, diagnosis of psoriasis can be a challenge. So if you have an itchy, scaly scalp or skin patch that has you wondering, talk with your doctor.

After examining your skin and discussing your symptoms and family history, your doctor can usually make a diagnosis—or may refer you to a dermatologist.

Classic symptoms of psoriasis include thick, red patches of skin (called plaques) and scaly skin that is dry and silvery. Your doctor or dermatologist also may look for:

  • Signs of psoriasis on your fingernails or toenails
  • A pink rash in the crease of your buttocks
  • Skin patches with well-defined edges

To definitively determine if you have psoriasis and not another skin condition that might require different treatment, your doctor or dermatologist may examine a small sample of your skin under a microscope.

The best thing about getting a diagnosis is that then you can determine the right treatment—so you can get back to living, and loving the skin you’re in.

Ask your doctor about Dermarest®—over-the-counter medicated treatments that go beyond the itch to truly treat your psoriasis.