Is 300 mg of allopurinol too much?
Adults—200 to 300 milligrams (mg) per day, taken once a day or in divided doses. Your doctor may adjust your dose as needed. However, the dose is usually not more than 800 mg per day.
Does allopurinol make you pee?
Drowsiness: This drug can cause drowsiness. You shouldn’t drive, use machinery, or do other tasks that require alertness until you know how it affects you. Fluid intake: You should drink at least 3.4 liters (14 cups) of fluids each day. This will help you urinate at least 2 liters (2 quarts) per day.
What are the side effects of taking allopurinol?
Common allopurinol side effects may include: drowsiness; rash; abnormal liver function tests; nausea, vomiting, diarrhea; headache; or changes in your sense of taste.
When to start allopurinol?
Allopurinol is generally started between 2 and 3 weeks after a gout attack has abated. The recommended dosage is between 100mg and 300mg per day usually in one oral dose. But for some people higher doses of up to 800mg per day may be required initially.
Should you stop taking allopurinol?
You should stop taking allopurinol immediately and contact your healthcare provider if you develop a rash. Sometimes, a rash is the first sign of dangerous reactions to allopurinol, such as Stevens-Johnson syndrome (a life-threatening skin condition), liver damage,…
Why you should keep taking allopurinol during a gout attack?
Allopurinol is a maintenance treatment for gout or high uric acid levels so it should be taken regularly even once a gout attack has resolved. Other treatments (such as NSAIDs or colchicine) are usually prescribed to be taken during an acute gout attack. Seek immediate medical advice if unexplained weight loss or itchiness develop while you are taking allopurinol. Do not drive or operate machinery if allopurinol makes you drowsy or impairs your judgment.