Tazzle 20 FM contains tadalafil, which is a medication primarily used to treat erectile dysfunction (ED) in men. Tadalafil belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors, which work by increasing blood flow to the penis during sexual stimulation, leading to improved erectile function. Tazzle 20 FM, like other medications containing tadalafil, is typically taken orally as needed, approximately 30 minutes to 1 hour before sexual activity. The onset of action may occur within 30 minutes to an hour, and the effects can last for up to 36 hours in some individuals. https://www.genericday.com/tazzle-20-fm.html