Fix A DS 400 MG is a nonsteroidal anti-inflammatory drug (NSAID) that contains Diclofenac Sodium as its active ingredient. Diclofenac works by inhibiting enzymes known as cyclooxygenase (COX-1 and COX-2), which are responsible for the production of prostaglandins—chemicals in the body that promote inflammation, pain, and fever. By blocking these enzymes, Diclofenac helps reduce inflammation, relieve pain, and lower fever. This medication is commonly prescribed for conditions such as arthritis, muscle pain, back pain, and other inflammatory disorders. It can also be used to manage post-operative pain or pain related to injuries. While effective for pain and inflammation relief, it is important to use Fix A DS 400 MG as directed by a healthcare provider, as long-term or excessive use can lead to potential side effects, including gastrointestinal issues or kidney problems.