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How can lupus cause small, red, coin-shaped areas?

ANSWER

These are caused by exposure to the sun's UV rays and are called subacute cutaneous lesions. They'll likely appear on your arms, shoulders, neck, or upper torso in patches, like psoriasis.

They don't cause scarring, but they can darken or lighten the skin where they appear.

From: How Lupus Affects Your Skin WebMD Medical Reference

SOURCES:

Brigham and Women's Hospital: "Lupus and the Skin."

Johns Hopkins Lupus Center: "Skin."

Lupus Foundation of America: "How does lupus affect the skin?"

S.L.E. Lupus Foundation: "Lupus and Your Skin."

Reviewed by Stephanie S. Gardner on June 01, 2018

SOURCES:

Brigham and Women's Hospital: "Lupus and the Skin."

Johns Hopkins Lupus Center: "Skin."

Lupus Foundation of America: "How does lupus affect the skin?"

S.L.E. Lupus Foundation: "Lupus and Your Skin."

Reviewed by Stephanie S. Gardner on June 01, 2018

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