Proper Use

Medicines used to treat cancer are very strong and can have many side effects. Before using this medicine, make sure you understand all the risks and benefits. It is important for you to work closely with your doctor during your treatment.

Take this medicine only as directed by your doctor. Do not take more or less of it, do not take it more often, and do not take it for a longer time than your doctor ordered.

Thioguanine is sometimes given together with certain other medicines. Make sure that you take each one at the right time and do not mix them. Ask your health care professional to help you plan a way to take your medicine at the right times.

Limit the amount of alcohol you drink during treatment with this medicine.

Dosing

The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For oral dosage form (tablets):
    • For acute non-lymphocytic leukemia:
      • Adults—Dose is based on body weight and must be determined by your doctor. At first, 2 milligrams per kilogram (mg/kg) of body weight per day for up to 4 weeks. Your doctor may adjust your dose as needed and tolerated.
      • Children—Dose is based on body weight and must be determined by your doctor. At first, 2 milligrams per kilogram (mg/kg) of body weight per day for up to 4 weeks. Your doctor may adjust your dose as needed and tolerated.

Missed Dose

This medicine needs to be given on a fixed schedule. If you miss a dose, call your doctor, home health caregiver, or treatment clinic for instructions.

Storage

Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.