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What causes plaque psoriasis?

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Doctors aren't sure why people get plaque psoriasis. It's considered an autoimmune disease. That means your immune system attacks healthy cells as if it's fighting an infection. This causes new skin cells to grow much faster than normal, and they build up in thick patches.

From: What Is Plaque Psoriasis? WebMD Medical Reference

SOURCES:

American Academy of Dermatology: "Psoriasis."

Medscape: "FDA OKs Biologic Guselkumab (Tremfya) for Plaque Psoriasis." "Plaque Psoriasis."

National Institute of Arthritis and Musculoskeletal and Skin Diseases: "Psoriasis."

National Psoriasis Foundation.

UpToDate: "Treatment of psoriasis."

Weigle, N., May 2013. American Family Physician,

 

Reviewed by Debra Jaliman on June 25, 2019

SOURCES:

American Academy of Dermatology: "Psoriasis."

Medscape: "FDA OKs Biologic Guselkumab (Tremfya) for Plaque Psoriasis." "Plaque Psoriasis."

National Institute of Arthritis and Musculoskeletal and Skin Diseases: "Psoriasis."

National Psoriasis Foundation.

UpToDate: "Treatment of psoriasis."

Weigle, N., May 2013. American Family Physician,

 

Reviewed by Debra Jaliman on June 25, 2019

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When are you more likely to get plaque psoriasis?

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THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.

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