She started on a low dose of allopurinol and now takes mg daily. If people do not take long-term treatment for gout, uric acid can sometimes form kidney Sometimes it might be suggested after one attack, and in other cases GPs or. Your doctor may advise you not to start taking allopurinol until after an acute (bad ) attack of gout has passed. If this isn't possible, it may be started while the gout. Allopurinol is used to prevent or lower high uric acid levels in the blood. benefits against the potential risks before taking this medication while breastfeeding. . pain medicines [NSAIDs]) to help prevent the gout attacks.