In what ways does phototherapy help treat psoriasis?

Phototherapy is a common treatment for psoriasis; certain UV rays penetrate the skin and suppress the immune system, which attacks skin cells and causes symptoms. Watch dermatologist Ellen Marmur, MD, explain how this psoriasis treatment works.

Up Next

  • How does phototherapy treat plaque psoriasis?

  • What are the treatment options for psoriasis?

  • Is sunlight a form of therapy that can treat plaque psoriasis?

  • What can happen if psoriasis goes untreated?

  • How are lasers used to treat plaque psoriasis?

  • Why doesn’t moisturizer seem to be helping my psoriasis?

  • What types of psoriasis are more serious?

  • What is a skin biopsy for psoriasis?

  • How effective are biologics for psoriasis?

  • Does psoriasis raise my risk of skin cancer?

Up Next

  • How does phototherapy treat plaque psoriasis?

  • What are the treatment options for psoriasis?

  • Is sunlight a form of therapy that can treat plaque psoriasis?

  • What can happen if psoriasis goes untreated?

  • How are lasers used to treat plaque psoriasis?

  • Why doesn’t moisturizer seem to be helping my psoriasis?

  • What types of psoriasis are more serious?

  • What is a skin biopsy for psoriasis?

  • How effective are biologics for psoriasis?

  • Does psoriasis raise my risk of skin cancer?

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