Tadalista 10 mg is a prescription medication primarily used to treat erectile dysfunction (ED) in men. Its active ingredient, Tadalafil, belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. Tadalafil works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection sufficient for sexual activity. Dosage and Administration: Tadalista 10 mg is usually taken as needed, about 30 minutes to 1 hour before sexual activity.