Jonac Gel contains Diclofenac 1.16% w/w, a nonsteroidal anti-inflammatory drug (NSAID) used topically to relieve pain and reduce inflammation associated with musculoskeletal conditions such as arthritis, sprains, strains, and soft tissue injuries. Diclofenac exerts its therapeutic effect by inhibiting cyclooxygenase (COX) enzymes, thereby decreasing the synthesis of prostaglandins which mediate inflammation, pain, and swelling. Jonac Gel is applied directly to the affected area, allowing localized action with minimal systemic absorption, which reduces the risk of systemic side effects commonly associated with oral NSAIDs. It is indicated for symptomatic relief of acute and chronic inflammatory conditions including osteoarthritis, rheumatoid arthritis, and sports injuries. The gel formulation ensures easy application and rapid absorption through the skin. Patients should apply a thin layer to the affected site two to three times daily, avoiding broken or irritated skin, and should wash hands after use. Use is contraindicated in individuals with hypersensitivity to diclofenac or other NSAIDs. Caution is advised in patients with a history of asthma, gastrointestinal disorders, or cardiovascular disease. Prolonged use should be under medical supervision to monitor for potential adverse effects. Jonac Gel offers an effective topical option for managing localized inflammatory pain.