What You Need to Know About Phototherapy for Psoriasis

By Leah Campbell
September 09, 2021

As you review your treatment options for psoriasis, your doctor may suggest you consider phototherapy. This is a prescription treatment that involves medically supervised exposure to ultraviolet light. But how exactly does phototherapy work to help psoriasis? What are the appointments like? And what are the pros and cons to consider? We’ve got all that info and more to help you make the right decision.

Phototherapy: A Natural Option

“There is nothing more natural than light therapy,” says Susan Bard, M.D., a board-certified dermatologist at Vive Dermatology in Brooklyn, New York.

According to Bard, phototherapy was developed because “people literally noticed their psoriasis was better in the summer when exposed to sun.”

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