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Medications for Moderate to Severe Psoriasis continued...

Side effects can include swelling or rash at the injection site, increased risk for infections, including tuberculosis, and cancers such as lymphoma and nonmelanoma skin cancer.

You may need to be screened for tuberculosis while taking a biologic drug. You may also need to have regular blood tests to check your number of immune blood cells.

4. Vitamin A Derivatives

What it is: A man-made form of vitamin A.

How it works: These drugs help control how fast skin cells multiply. They are given by pill.

There are two types of vitamin A:

  1. Acitretin (Soriatane)
  2. Isotretinoin (Accutane)

Side effects can include hair loss; thin nails; dry mouth, eyes and skin; bleeding gums, nosebleeds, headache, joint or muscle pain, increased levels of fat in the blood, and sensitivity to sunlight.

Women who are pregnant or planning on becoming pregnant should not use these drugs due to serious birth defect risk.

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