Alfunol 10mg Tablet is an alpha-adrenergic antagonist used to treat benign prostatic hyperplasia, easing symptoms like difficulty passing urine. It should be taken with food and swallowed whole. Common side effects include upper respiratory tract infection, dizziness, headache, nausea, abdominal pain, and impotence. It's advised to avoid driving while on the medication and consult a doctor if any persist. Lifestyle changes, such as urinateing when prompted, avoiding caffeine and alcohol, and avoiding eye surgery, are advised. Patients with liver or kidney disease should be cautious and receive regular follow-ups.