Alkanon 500 mg Tablet contains Nabumetone, a nonsteroidal anti-inflammatory drug (NSAID) used to relieve pain and inflammation associated with osteoarthritis and rheumatoid arthritis. It works by inhibiting cyclooxygenase (COX) enzymes, which play a key role in the production of prostaglandins—compounds involved in inflammation and pain. By reducing prostaglandin synthesis, Nabumetone helps alleviate symptoms such as joint pain, swelling, and stiffness