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How do medications treat scalp psoriasis?

Different medications work to treat scalp psoriasis in different ways. Over-the-counter topical treatments usually contain salicylic acid, which helps make thick patches of skin thinner, or coal tar, which helps control itching and inflammation. Prescription topical medications can contain a variety of ingredients, ranging from corticosteroids to vitamin D derivatives to retinoids, all of which help treat inflammation and stop excessive skin growth. Light therapy, or phototherapy, uses ultraviolet light to kill excess skin cells. Oral medications usually work to stop the overgrowth of skin cells, and often contain stronger ingredients like cyclosporine and methotrexate.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.