Allopurinol is used in the treatment of:: (A) Osteoahritis, (B) Gout, (C) Rheumatoid Ahritis, (D) Ankylosing spondylitis
Answer is B. Allopurinol a xanthine oxidase inhibitor is used in the treatment of gout. By inhibiting xanthine oxidase it reduces uric acid synthesis. Ref: Essentials of Medical Pharmacology By KD Tripathi, 5th Edition, Page 191 - 2.