Can I buy any other ED medications over the counter? The deal was announced on the day the product became available as a pharmacy P medicine for the first time in the UK, prompting criticism from the National Pharmacy Association NPA. By stopping this enzyme, the drug allows better blood flow into the penis, meaning better erections. How we source info. Find answers What does Viagra do? Both Viagra and Viagra Connect contain the same active ingredient: Sildenafil. Is Viagra the best tablet for ED?Many online companies claim to sell Viagra without a prescription, but this is illegal. What many of these sites actually sell is counterfeit Viagra. Description Viagra Connect contains 50mg of the active ingredient sildenafil and is made by Fareva Amboise. You can take Viagra Connect 1 hour before sex to help you maintain . Dr Earim Chaudry Last updated 14th July Manual Health Centre See your GP for a prescription. A prescription from your GP may allow you to get Viagra (or .