Allopurinol is used to treat gout, an increase in uric acid levels in the body caused by certain cancer medications and kidney stones. Allopurinol belongs to a class of drugs known as xanthine oxidase inhibitors. However it works by reducing the production of uric acid in the body.

Sandimmun is an immunosuppressant drug used to decrease the body's immune response. In the article below, I will share how to use and note when using Sandimmun most effectively.