Bigger and Better: How Pfizer Redefined Erectile Dysfunction

Pfizer is the second largest pharmaceutical company that became famous for the discovery of sildenafil, patented under the well-known brand name Viagra. However, the company behind the little blue pill has a 170 years long history marked by many other curiosities. Pfizer’s patents on Viagra expired outside the US in 2024; in the US they were set to expire, but Pfizer settled litigation with each of Mylan and Teva which agreed that both companies could introduce generics in the US on. See more what pharmaceutical company makes viagra Viagra (sildenafil) is an oral drug that is used for treating impotence (or erectile disfunction, ED, the inability to attain or maintain a penile erection). It is in a class of drugs called phosphodiesterase inhibitors (PDE-5 inhibitors) that also includes Viagra comes as an oral tablet in different dosages. Discuss with your doctor what s an appropriate dose for you. For daily use, Goldstein said, the generic form, sildenafil, comes in 20-mg tablets.

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Tadalafil (Cialis). This medication is taken with or without food an hour before sex. It works for up to 36 hours. You can take it in a small dose daily or in a larger dose as needed. Avanafil (Stendra). You can take this medicine with or without food 30 minutes before sex, depending on the dose.