Tazzle 20 mg is a medication used to treat erectile dysfunction (ED) in men. It contains tadalafil as its active ingredient, which is a phosphodiesterase type 5 (PDE5) inhibitor. Tadalafil works by increasing blood flow to the penile, facilitating an erection when a man is physically stimulated. It is generally recommended to take Tazzle 20 mg about 30 minutes before engaging in physical activity. Tadalafil can be effective for up to 36 hours,