mercaptopurine - oral, Purinethol (cont.)
HOW TO USE: Take this medication by mouth with or without food with a full glass of water (8 ounces or 240 milliliters), usually once daily or as directed by your doctor. Drink plenty of fluids while taking this medication unless otherwise directed by your doctor. Doing so may help decrease the risk of side effects (e.g., kidney stones).The dosage is based on your body weight, medical condition and response to treatment. Do not increase your dose or take this medication more often than prescribed. Your condition will not improve any faster, and the risk of serious side effects may be increased.Since this drug may be absorbed through the skin and lungs, women who are pregnant or who may become pregnant should not handle this medication or breathe the dust from the tablets. Properly discard any unused medication. Ask your pharmacist for details.
SIDE EFFECTS: Nausea, vomiting, diarrhea, and loss of appetite may occur. Temporary hair loss may also occur. Normal hair growth should return after treatment has ended. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.Tell your doctor immediately if any of these unlikely but serious side effects occur: easy bruising/bleeding, dizziness/fainting, joint pain/swelling, tongue/mouth sores or pain, unusual tiredness, symptoms of liver disease (such as persistent nausea/vomiting, stomach/abdominal pain, dark urine, yellowing eyes/skin).Tell your doctor immediately if any of these rare but very serious side effects occur: symptoms of possible lymphoma (such as swollen or painful abdomen, persistent fever, night sweats, unexplained weight loss), change in amount of urine, pain in the lower back/side.This medication can lower the body's ability to fight an infection. Tell your doctor promptly if you develop any signs of an infection such as fever, chills, or persistent sore throat.A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), dizziness, trouble breathing.This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.In the US -Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Medically Reviewed by a Doctor on 4/16/2014
Report Problems to the Food and Drug Administration
Need help identifying pills and medications?
Back to Medications Index
- Allergic Skin Disorders
- Bacterial Skin Diseases
- Bites and Infestations
- Diseases of Pigment
- Fungal Skin Diseases
- Medical Anatomy and Illustrations
- Noncancerous, Precancerous & Cancerous Tumors
- Oral Health Conditions
- Papules, Scales, Plaques and Eruptions
- Scalp, Hair and Nails
- Sexually Transmitted Diseases (STDs)
- Vascular, Lymphatic and Systemic Conditions
- Viral Skin Diseases
- Additional Skin Conditions