The biggest differences between Viagra and Cialis is the total amount of time each medication works — for Cialis, up to 36 hours, and for Viagra, around four hours. But other nuances about how ...

Spoiler alert: There’s no real difference between Viagra and Teva sildenafil. Remember that the name of the drug sold as Viagra is sildenafil citrate. The difference in names is really just for ...

The main difference between generic sildenafil and Viagra is marketing. The main ingredient in Viagra is sildenafil, meaning that the drugs are essentially the same.

Viagra, Cialis, Levitra, and Stendra can help a person get and maintain an erection. Learn about the similarities and differences between these medications.

Question: What’s the difference between Viagra, Levitra and Cialis? And are they really safe to use? Answer: All three drugs work by inhibiting an enzyme, phosphodiesterase type 5 (PDE-5), which ...

"The 5-mg difference between sildenafil and the lowest dose of Viagra could easily be made up by taking an extra half pill, if needed," says Consumer Reports' chief medical adviser, Marvin M ...

Recent studies on the effects of sildenafil (Viagra) on Alzheimer’s risk show it may offer some prevention — and potentially a treatment — for the disease. But more research is needed.

Although Cialis and Viagra both make it easier to get and maintain an erection, there are a few key differences between these two ED medications that may make one a better choice than the other ...