Isokon 10mg Capsule contains isotretinoin, a retinoid derivative primarily indicated for the treatment of severe recalcitrant nodular acne that is unresponsive to conventional therapies such as antibiotics and topical treatments. Isotretinoin exerts its therapeutic effect by reducing sebaceous gland size and sebum production, inhibiting the growth of acne-causing bacteria, and exerting anti-inflammatory properties. Each capsule delivers 10mg of isotretinoin, facilitating precise dosing tailored to patient needs. Isokon should be administered under strict medical supervision due to its potent efficacy and significant risk profile. Common adverse effects include dry skin, cheilitis, and photosensitivity, while serious risks involve teratogenicity, hepatotoxicity, and hyperlipidemia. Therefore, pregnancy must be strictly avoided during treatment and for at least one month after cessation, with effective contraception mandatory for women of childbearing potential. Regular monitoring of liver function tests, lipid profiles, and complete blood counts is essential throughout the treatment course. Patients should be advised to avoid vitamin A supplements and to report any signs of mood changes or visual disturbances promptly. Isokon 10mg Capsule represents a critical option in managing severe acne when conventional treatments fail, offering substantial improvement in skin condition and quality of life when used responsibly.