F-Pol SR Capsule is a combination medication containing Propranolol 40mg and Flunarizine 10mg, designed for the management of migraine prophylaxis and certain cardiovascular conditions. Propranolol, a non-selective beta-adrenergic blocker, works by reducing heart rate, cardiac output, and blood pressure, thereby decreasing the frequency and severity of migraine attacks and controlling hypertension or angina. Flunarizine, a calcium channel blocker with antihistaminic properties, helps prevent migraines by inhibiting calcium influx into vascular smooth muscle and neurons, stabilizing vascular tone and reducing neuronal excitability. The sustained-release formulation ensures a gradual release of active ingredients, providing prolonged therapeutic effects and improving patient compliance by minimizing dosing frequency. F-Pol SR Capsule is typically prescribed for patients experiencing frequent migraines or requiring beta-blocker therapy for cardiovascular indications, offering dual benefits in a single dosage form. Common side effects may include fatigue, dizziness, gastrointestinal discomfort, and mild sedation, while caution is advised in patients with asthma, bradycardia, or depression. It is essential to follow the prescribed dosage and consult a healthcare professional before use, especially in pregnant or breastfeeding women and individuals with underlying health conditions. Regular monitoring is recommended to assess efficacy and detect any adverse reactions.