(PHARM) Which of the following is a primary therapeutic use of allopurinol?

A. Allopurinol is primarily used to lower serum uric acid levels in clients with chronic gout or conditions causing hyperuricemia. It helps prevent gout attacks but is not used to treat acute episodes. B. Rheumatoid arthritis is treated with anti-inflammatory drugs and disease-modifying antirheumatic drugs (DMARDs), not allopurinol. C. Allopurinol does not have antibacterial properties and is not indicated for infections. D. While it helps prevent future gout attacks, allopurinol is not used to relieve acute attacks—medications like colchicine or NSAIDs are preferred for that purpose.