Thioguanine treats certain types of leukemia. Tell your doctor right away if you notice a fever.

Thioguanine Overview

Reviewed: October 15, 2013

Thioguanine is a prescription medication used to treat acute nonlymphocytic leukemia. This is a type of cancer that begins in the white blood cells. Thioguanine belongs to a group of drugs called purine analogs. These work by slowing or stopping the growth of cancer cells in your body.

This medication comes in tablet form and is typically taken once daily, with or without food.

Common side effects of thioguanine include nausea, vomiting, anorexia, and inflammation in the mouth.

Patient Ratings for Tioguanine

How was your experience with Tioguanine?

First, a little about yourself

Tell us about yourself in a few words?

What tips would you provide a friend before taking Tioguanine?

What are you taking Tioguanine for?

Choose one
  • Other
  • Leukemia, Basophilic, Acute
  • Leukemia, Eosinophilic, Acute
  • Leukemia, Myelogenous, Chronic, Bcr-abl Positive
  • Leukemia, Neutrophilic, Chronic
  • Psoriasis

How long have you been taking it?

Choose one
  • Less than a week
  • A couple weeks
  • A month or so
  • A few months
  • A year or so
  • Two years or more

How well did Tioguanine work for you?

Did you experience many side effects while taking this drug?

How likely would you be to recommend Tioguanine to a friend?

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Thioguanine Brand Names

Thioguanine may be found in some form under the following brand names:

Thioguanine Drug Class

Thioguanine is part of the drug class:

Side Effects of Thioguanine

Serious side effects have been reported with thioguanine. See the “Drug Precautions” section.

Common side effects of thioguanine include the following:

  • nausea
  • vomiting
  • anorexia
  • inflammation in the mouth
  • bone marrow suppression (when there is a decrease in the production of blood cells)

This is not a complete list of thioguanine side effects. Ask your doctor or pharmacist for more information.

Tell your doctor if you have any side effect that bothers you or that does not go away.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.