Drug information provided by: Micromedex
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Children are especially sensitive to the effects of thioguanine. This may increase the chance of liver toxicity during treatment.
Many medicines have not been tested in older people. Therefore, it may not be known whether they work exactly the same way they do in younger adults or if they cause different side effects or problems in older people. There is no specific information about the use of thioguanine in the elderly.
Information about this thioguanine-oral-route
||Studies in pregnant women have demonstrated a risk to the fetus. However, the benefits of therapy in a life threatening situation or a serious disease, may outweigh the potential risk.
There are no adequate studies in women for determining infant risk when using this medication during breastfeeding. Weigh the potential benefits against the potential risks before taking this medication while breastfeeding.
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for you. If both medicines are prescribed together, your doctor may change the dose or how often you use one or both of the medicines.
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
Chickenpox (including recent exposure) or
Herpes zoster (shingles)—Risk of severe disease affecting other parts of the body
Gout (history of) or
Kidney stones (history of)—Thioguanine may increase levels of uric acid in the body, which can cause gout or kidney stones
Infection—Thioguanine can reduce immunity to infection
Kidney disease or
Liver disease—Effects may be increased because of slower removal of thioguanine from the body
Thiopurine methyltransferase deficiency (TPMT)—You may be more sensitive to the side effects of thioguanine, and your doctor may reduce your dose
Tumors—Thioguanine should not be used if your tumor did not get smaller when previously treated with thioguanine