Although Viagra is effective for most guys with ED it’s important to make sure you’re taking the right dose. Too low of a Viagra dosage and your arousals may not be as firm or reliable as they could ...

The effects of Viagra (sildenafil) are typically strongest about an hour after consumption, so it is best to take it an hour before sexual activity, though it can be taken up to 4 hours beforehand.

Sildenafil citrate, or simply sildenafil, is the active ingredient in the brand-name drug Viagra. Sildenafil is known as generic Viagra because retailers do not sell it under the Viagra brand name.

This article was reviewed by Kelly Brown MD, MBA. If you’ve been prescribed ED medication such as Viagra, you could be on your way to improving your arousal function and bedroom health like millions ...

Viagra is available in 25-milligram (mg), 50-mg, and 100-mg doses, with the typical starting dose being 50 mg taken an hour before sexual activity. The maximum recommended dosage is 100 mg per day.

Viagra lasts for about four hours, but it can last longer in some people. Viagra should be taken 30 minutes to an hour before sexual activity. Older age or certain drugs can make Viagra stay in your ...