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The febuxostat drug labels already carry a warning and precaution about cardiovascular events because the clinical trials conducted before approval showed a higher rate of heart-related problems in patients treated with febuxostat compared to allopurinol. These problems included heart attacks, strokes, and heart-related deaths.
Allopurinol hypersensitivity syndrome (AHS) typically occurs in persons with preexisting kidney failure. [3]: 119 Weeks to months after allopurinol is begun, the patient develops a morbilliform eruption [3]: 119 or, less commonly, develops one of the far more serious and potentially lethal severe cutaneous adverse reactions viz., the DRESS syndrome, Stevens Johnson syndrome, or toxic epidermal ...
Allopurinol is taken orally, at a typical dose of 3–20 mg/kg per day. The dose is then adjusted to bring the uric acid level down into the normal range (<3 mg/dL). Most affected individuals can be treated with allopurinol all through life. [citation needed] No medication is effective in controlling the extrapyramidal motor features of the ...
Allopurinol is used to reduce urate formation in conditions where urate deposition has already occurred or is predictable. The specific diseases and conditions where it is used include gouty arthritis, skin tophi, kidney stones, idiopathic gout; uric acid lithiasis; acute uric acid nephropathy; neoplastic disease and myeloproliferative disease with high cell turnover rates, in which high urate ...
ATC code M04 Antigout preparations is a therapeutic subgroup of the Anatomical Therapeutic Chemical Classification System, a system of alphanumeric codes developed by the World Health Organization (WHO) for the classification of drugs and other medical products.
A xanthine oxidase inhibitor is any substance that inhibits the activity of xanthine oxidase, an enzyme involved in purine metabolism.In humans, inhibition of xanthine oxidase reduces the production of uric acid, and several medications that inhibit xanthine oxidase are indicated for treatment of hyperuricemia and related medical conditions including gout. [1]
Lesinurad is used in combination with a xanthine oxidase inhibitor, such as allopurinol or febuxostat, for treating hyperuricemia (high levels of uric acid in the blood serum) associated with gout. It is approved only for patients who have not achieved target uric acid levels with a xanthine oxidase inhibitor alone.
There are concerns about more deaths with febuxostat compared to allopurinol. [72] Febuxostat may also increase the rate of gout flares during early treatment. [73] However, there is tentative evidence that febuxostat may bring down urate levels more than allopurinol. [74] Probenecid appears to be less effective than allopurinol and is a second ...