Rarely reported side effects include: an erection that will not go away priapism. On 6 May , Pfizer , which manufactures Viagra, told the Associated Press they will begin selling the drug directly to people on its site. That’s not to say there aren’t just as many illegitimate sites. The substance is the same under both trade names. Egypt Egypt approved Viagra for sale in , but soon afterwards allowed local companies to produce generic versions of the drug, citing the interests of poor people who would not be able to afford Pfizer’s price. Generic versions of this low-dose form of sildenafil have been available in the U.Extra 15% off $30 sitewide with code SAVE15; Clip your mystery deal! BOGO 50% off select Walgreens health & wellness. Viagra (sildenafil) is a prescription drug that’s used to treat erectile dysfunction (ED). The drug comes as a tablet you’ll take by swallowing. It’s usually taken as needed about 1 hour. How to use. Please read the enclosed leaflet carefully before use. • take 1 tablet approximately one hour before sexual activity. • swallow tablet whole with water. • do not take more than 1 tablet a day. Viagra Connect starts to work within minutes. You may take it up to 4 hours before sexual activity. Oral use.