They include dutasteride Avodart, Jalyn and finasteride Propecia, Proscar. All doses of it need a prescription from a practitioner. Avanafil Stendra. Yes, usually. A newer form of the medicine that dissolves on the tongue might work faster than the pill that you swallow. You can see an in-person provider or speak with a doctor virtually. Cialis tadalafil : This ED medication works with the same principle as Viagra, but lasts up to 36 hours.Compare prices and print coupons for Viagra (Sildenafil) and other drugs at CVS, Walgreens, and other pharmacies. Prices start at $ Consumer Reports Best Buy Drugs shares how you might be able to get generic Viagra, known as sildenafil, at a much lower price. Q&A Drug Images What is Viagra? If you have erectile dysfunction (ED), your doctor may recommend that you take Viagra. It’s a prescription drug that’s used in adult males* with .