Tazzle 20 FM is a medication primarily used to treat erectile dysfunction (ED) in men. It contains tadalafil as its active ingredient. Tadalafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors, which work by increasing blood flow to the penis during sexual stimulation, thus helping men achieve and maintain an erection. https://www.genericday.com/tazzle-20-fm.html