Rarely does this medication cause an extremely severe allergic reaction. Very severe skin reactions from allopurinol can occasionally be fatal. For more information, speak to your doctor or pharmacist. If you experience any severe skin reaction symptoms, such as rash, blisters, peeling, itching, or swelling, seek medical attention right away. But if you experience any of the following signs of a serious allergic reaction, seek medical attention right away: fever, swollen lymph nodes, rash, itching or swelling (especially of the face, tongue, or throat), extreme dizziness, or difficulty breathing. Inform your doctor or pharmacist as soon as possible if any of these side effects persist or get worse. If the blood test reveals you are more vulnerable, your doctor should go over the advantages and disadvantages of allopurinol as well as your other treatment options with you. Contact your doctor or pharmacist if you experience any additional effects not covered above. Call your doctor for medical advice about side effects if you're in Canada. In the US - Call your doctor for medical advice about side effects. Several users report no significant side effects from this medication. Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Some members of particular ethnic groups, such as those who are African, Asian, or Native Hawaiian/Pacific Islander in descent, are more vulnerable. There could be nausea, diarrhea, upset stomach, or drowsiness. Tell your doctor right away if you experience any severe side effects, such as tingling or numbness in your arms or legs, easy bleeding or bruising, unusual fatigue, signs of kidney disease (such as change in the amount of urine, painful or bloody urination), symptoms of liver disease (such as persistent nausea and vomiting, loss of appetite, stomach/abdominal pain, yellowing of the skin or eyes, dark urine), unusual weight loss, eye pain, or changes in your vision. The list of potential side effects presented here is not exhaustive. You may report side effects to FDA at 1-800-FDA-1088 or at www.fda.gov/medwatch. Call 1-866-234-2345 to report side effects to Health Canada. Before you start taking this medication, your doctor may request a blood test to assess your risk.
Without consulting your doctor first, never start, stop, or modify the dosage of any medications. Drug interactions could alter how your medications function or raise the possibility of serious negative side effects. Keep a list of all the products you use (such as prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Blood thinners (like warfarin), capecitabine, and didanosine are a few items that could interact with this medication. Not every possible drug interaction is covered in this document.
Until you know how Zyloprim affects you, avoid operating machinery or driving a car. To avoid kidney stone development while taking Zyloprim, drink plenty of water or other fluids every day. Some people who took Zyloprim experienced kidney failure. Zyloprim has been associated with serious allergic reactions, including fatalities. Zyloprim use has resulted in serious liver issues. If you experience a skin rash, stop taking this medication and consult your doctor. While these occurrences are uncommon, let your doctor know if you experience itching, weight loss, or a lack of appetite. To stop these flare-ups, your doctor may advise starting Zyloprim in combination with another drug, like colchicine. Your doctor will probably order tests to determine how well your liver is functioning. Zyloprim has a sedative effect. Zyloprim is used to prevent gout attacks, but at the beginning of treatment, it can cause brief flare-ups of gouty arthritis.