Pregnancy & Lactation: Risk data not available
What is Zyloprim?
Allopurinol is used to treat gout and recurrent kidney stones.
Allopurinol is also used to decrease uric acid levels in people that are receiving treatment for certain types of cancer.
Allopurinol may also be used for purposes not listed in this medication guide.
Warnings
You should not use allopurinol if you are allergic to it.
Allopurinol Tell your doctor if you are pregnant or plan to become pregnant. may harm an unborn baby.
Do not breastfeed while using this medicine, and for at least 1 week after your last dose.
Tell your doctor if you have ever had:
- diabetes;
- congestive heart failure;
- high blood pressure;
- if you are receiving chemotherapy;
- if you have a gene variation called HLA-B*58:01 allele (your doctor can test you for this);
- liver disease; or
- kidney disease.
How should I use Zyloprim
Use Zyloprim (Oral) exactly as directed on the label, or as prescribed by your doctor. Do not use in larger or smaller amounts or for longer than recommended.
Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.
Allopurinol is taken by mouth. oral
Allopurinol is injected into a vein by a healthcare provider. injection
Allopurinol is usually given by injection only if you are unable to take medicine by mouth. injection
You may need frequent medical tests while using this medicine, even if you have no symptoms.
Your kidney and liver function may also need to be tested. Your doctor may change your dose if your kidney function changes.
You may have gout attacks when you first start taking allopurinol . Your doctor may recommend another gout medication to take with allopurinol. Keep taking the medicine as directed. oral
You may need to follow a special diet to help prevent kidney stones. Follow all instructions of your doctor or dietitian. Learn about the foods you should eat or avoid.
Take allopurinol with a full glass of water. To reduce your risk of kidney stones, drink 8 to 10 full glasses of fluid every day, unless your doctor tells you otherwise. oral
Take with food if allopurinol upsets your stomach. oral
Your symptoms may not improve for up to 2 to 6 weeks. Call your doctor if your symptoms do not improve after 6 weeks.
Store at room temperature away from moisture and heat.
Take allopurinol as soon as you can, but skip the missed dose if it is almost time for your next dose. take two doses at one time. oralDo not
Call your doctor for instructions if you miss an appointment for your allopurinol . injection
Zyloprim side effects
Get emergency medical help if you have (hives, difficult breathing, swelling in your face or throat) (fever, sore throat, burning eyes, skin pain, red or purple skin rash with blistering and peeling). signs of an allergic reactionor a severe skin reaction
Seek medical treatment if you have a serious drug reaction that can affect many parts of your body. Symptoms may include skin rash, fever, swollen glands, muscle aches, severe weakness, unusual bruising, or yellowing of your skin or eyes.
Stop using allopurinol and call your doctor at once if you have:
- any skin rash, no matter how mild;
- painful urination, blood in the urine;
- inflammation of your blood vessels--numbness or tingling, skin rash, fever, headache, body aches, night sweats, weight loss, feeling or weak or tired;
- signs of infection--fever, chills, sore throat, body aches, unusual tiredness, loss of appetite, bruising or bleeding; or
- liver problems--loss of appetite, weight loss, stomach pain (upper right side), itching, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes).
- an increase in gout attacks when you first start taking allopurinol ; oral
- rash;
- drowsiness;
- abnormal liver function tests;
- nausea, vomiting, diarrhea; or
- kidney problems--swelling, urinating less, feeling tired or short of breath.
Common side effects may include:
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What other drugs will affect Zyloprim?
Avoid driving or hazardous activity until you know how this medicine will affect you. Your reactions could be impaired.
Avoid drinking alcohol.