Treatment of mild psoriasis, or only a few patches, is usually treated with over-the-counter creams, ointments, and lotions to keep the skin moisturized. Mild psoriasis of the scalp can be treated with shampoos and oils. For more severe cases, or when over-the-counter product fails, topical medications such as vitamin D compounds, corticosteroids, anthralin or retinoids may be prescribed.

Another availability treatment for psoriasis affecting less than 20% of the body is phototherapy. During phototherapy, the affected areas are briefly exposed to intense ultraviolet A or B light(UVA, UVB). UVB treatment is completed 3 times a week, and when used in combination with medicine such as calcipotriene, si quite effective. Psoriasis and UVA light therapy combines exposure to a chamber of UVA light with a medication called psoriasis to treat psoriasis. It must be completed for many weeks before symptoms will improve, but the results are generally better than UVB treatment. However, UVB treatment remains safer.

When topical medication and phototherapy do not effectively treat moderate to severe psoriasis, oral medication may be prescribed. Methotrexate, retinoids, or cyclosporine are all used to treat psoriasis. however, these drugs can have serious side effects, such as weakening the immune system, and liver or kidney damage, which is why they are generally reserved for more severe cases.

Biologics are medications similar to the proteins made by the body. They bock the harmful response of the body's immune system that causes psoriasis. Biologics are generally used for people who cannot use other treatments. They are generally as effective as other oral medications but may have fewer side effects. However, the long term safety of biologics is unknown. Therefore, for patients who require treatment, their whole lives, Last Name(s) will likely recommend rotating or changing treatment periodically.