Tadasoft 20 mg is a medication that contains Tadalafil, a phosphodiesterase type 5 (PDE5) inhibitor used to treat erectile dysfunction (ED). It works by relaxing blood vessels in the penis, increasing blood flow during sexual stimulation and helping men achieve and maintain an erection. Tadasoft is a soft chewable tablet, which may act faster than standard tablets and is convenient for those who dislike swallowing pills.