You can take it in a small dose daily or in a larger dose as needed. It might be a while before MED is available at your local pharmacy. They’re often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction ED. This medicine works best when you take it on an empty stomach an hour before sex. Data shared with Viatris will be aggregated and de-identified; it will be combined with data related to other Savings Offer redemptions and will not identify you Viatris reserves the right to rescind, revoke, or amend this Savings Offer without notice No membership fees.AdTake Charge of Your Sexual Health with Our Top-Rated Male Enhancement Products! Reviews and Comparisons Of The Best Male Enhancement Products. See Which Products WorkK+ visitors in the past month. Sildenafil (Viagra). Tadalafil (Cialis). Vardenafil. These medicines are called PDE5 inhibitors. They enhance the effects of a chemical the body makes that relaxes . 1. It Targets the Problem and Works Quickly. Being a topical means MED targets your penis directly and offers a “quick onset of action,” Dr. Pearlman .