Isoin 10 Capsule contains isotretinoin 10 mg, a retinoid derivative primarily indicated for the treatment of severe recalcitrant nodular acne that has not responded adequately to conventional therapies such as systemic antibiotics and topical treatments. Isotretinoin acts by reducing sebaceous gland size and sebum production, inhibiting the growth of Propionibacterium acnes, and exerting anti-inflammatory effects. The medication is administered orally and requires careful dosing and monitoring due to its potent teratogenicity and potential for serious adverse effects. Common side effects include dry skin, cheilitis, conjunctivitis, and photosensitivity, while more severe reactions may involve hepatotoxicity, hyperlipidemia, and mood alterations. Baseline and periodic laboratory evaluations, including liver function tests and lipid profiles, are essential during therapy. Isoin 10 Capsule is contraindicated in pregnancy and in patients with hypersensitivity to isotretinoin or any of its components. Effective contraception must be used by women of childbearing potential prior to, during, and after treatment to prevent fetal exposure. This medication should be prescribed and supervised by a healthcare professional experienced in managing isotretinoin therapy, ensuring appropriate patient selection, education, and adherence to safety protocols to optimize therapeutic outcomes and minimize risks.