Inmecin capsules contain indomethacin, a nonsteroidal anti-inflammatory drug (NSAID) used to treat conditions like rheumatoid arthritis, ankylosing spondylitis, osteoarthritis, and acute pain. The recommended adult dosages vary based on the condition, and it is essential to monitor for potential side effects, contraindications, and possible interactions with alcohol. Special precautions apply for pregnant and breastfeeding women, as well as patients with specific health issues.