Systemic treatment uses various medications that affect the whole body, not just the skin. Many systemic drugs used for psoriasis are also used for other severe diseases, including autoimmune diseases (especially rheumatoid arthritis) and cancer.
Systemic treatments for psoriasis may be taken by mouth or injection. The medicines can have significant side effects and are generally reserved for severe psoriasis.
Systemic medications approved for treating psoriasis include:
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