Zix S 100mg/325mg/15mg Tablet is a combination analgesic and anti-inflammatory medication containing Aceclofenac (100mg), Paracetamol (325mg), and Serratiopeptidase (15mg). Aceclofenac, a non-steroidal anti-inflammatory drug (NSAID), exerts potent anti-inflammatory, analgesic, and antipyretic effects by inhibiting cyclooxygenase enzymes, thereby reducing prostaglandin synthesis. Paracetamol acts as an analgesic and antipyretic, providing effective pain relief and fever reduction through central inhibition of prostaglandin synthesis without significant anti-inflammatory properties. Serratiopeptidase, a proteolytic enzyme, facilitates the breakdown of inflammatory mediators and promotes the resolution of inflammation and edema. The synergistic action of these three components makes Zix S effective in managing acute and chronic musculoskeletal pain, osteoarthritis, rheumatoid arthritis, post-operative pain, and soft tissue injuries. It is indicated for conditions requiring both pain relief and reduction of inflammation and swelling. The combination enhances patient compliance by reducing the need for multiple medications. Zix S should be used under medical supervision, considering contraindications such as hypersensitivity to NSAIDs, peptic ulcer disease, severe hepatic or renal impairment, and bleeding disorders. Caution is advised in patients with cardiovascular risks. Adverse effects may include gastrointestinal discomfort, allergic reactions, and rare hematological abnormalities.