Vidalista is a PDE5 inhibitor drug that regulates the enzyme in your penis and increases blood flow. This allows you to get harder erections during sexual intercourse. It treats erectile dysfunction vidalista 20 is a prescription-only drug that treats erectile dysfunction in men. The medication works by relaxing blood vessels and increasing blood flow to the penis. It is also used to treat benign prostatic hyperplasia (BPH), an enlarged prostate gland that can cause problems with urination. The medication is available from Grand Health pharmacy at an affordable price.