Thioguanine (Oral)

Thioguanine (thye-oh-GWAH-neen)

Used with other medicines to treat different kinds of leukemia.

Brand Name(s):

There may be other brand names for this medicine.

When This Medicine Should Not Be Used:

You should not use this medicine if you have ever had an allergic reaction to thioguanine or mercaptopurine (Purinetholreg;).

How to Use This Medicine:

Tablet

• This medicine, like all medicines used to treat cancer, is very strong. Make sure you understand why you are getting it and what the risks and benefits of treatment are. It is important for you to work closely with your doctor.
  
• Your doctor will tell you how much medicine to use and how often. Make sure you understand your doctor's instructions.
  
• Drink at least 6 to 8 large glasses of liquid every day while you are using this medicine.
  
• If you vomit right after you take this medicine, call your doctor.
  

If a dose is missed:

• Take the medicine as soon as possible, unless it is almost time for your next dose.
  
• Skip the missed dose if it is almost time for your next regular dose.
  
• You should not use two doses at the same time.
  

How to Store and Dispose of This Medicine:

• Store at room temperature in the original container, away from heat, moisture, and light. Keep the container closed tightly.
  
• Keep all medicine out of the reach of children.
  

Drugs and Foods to Avoid:

Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.

• Avoid drinking alcohol while using thioguanine.
  
• You should not use aspirin or any product that has aspirin in it (such as some cold medicines) unless you have talked to your doctor.
  
• Talk to your doctor before having any vaccines (such as a flu shot).
  

Warnings While Using This Medicine: