These treatments are applied to the skin, usually as a cream or ointment. They are often the first type of treatment given to people with psoriasis.
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These options, which are taken by mouth, are often referred to as “systemic” medications because they deliver medicine throughout the body rather than to just one small area. They are often used by people who don’t respond to other treatments, or those who have moderate to severe psoriasis.
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Ultraviolet light therapy
This treatment, also called “targeted phototherapy,” involves exposing the affected skin to ultraviolet light under medical supervision. It may be recommended if topical treatments aren’t effective on their own. Treatment is usually conducted in a hospital or clinic – it is NOT the same as using a conventional tanning bed.
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Biologic therapies are another type of “systemic” medication, but instead of delivering medicine throughout the body like oral medications do, biologic therapies (or “biologics”) act on specific systems within the body, such as the immune system, for example. Biologics are administered by injection or by intravenous (IV) infusion. Systemic drugs are most often used by people who don’t respond to other treatments, or those who have moderate to severe psoriasis.
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If you’d like to continue your research online, you may be interested in Health Canada’s Drug Product Database (DPD). It provides information on all drugs approved for use in Canada.