Search results
Results from the WOW.Com Content Network
Sildenafil, sold under the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension. [4] [8] It is also sometimes used off-label for the treatment of certain symptoms in secondary Raynaud's phenomenon. [9]
Here’s a list of both the half-lives and duration of action for four of the most common ED drugs (PDE5 inhibitors): Viagra (or sildenafil) lasts three to five hours after it’s consumed.
Viagra has made its way into medicine cabinets the world over as a trusted medication for ED and cardiovascular health. We know intimate activity is supposed to be somewhat off the cuff, but you ...
Chemical structure of sildenafil (Viagra), the prototypical PDE5 inhibitor. A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a vasodilating drug that works by blocking the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying various tissues.
The duration of action of a drug is the length of time that particular drug is effective. [5] Duration of action is a function of several parameters including plasma half-life, the time to equilibrate between plasma and target compartments, and the off rate of the drug from its biological target. [6]
Recreational Viagra use does happen, and while some men see harmless benefits from the active ingredient in the famous “little blue pill,” they’re still taking a significant risk every time ...
Until 2014, the U.S. Code of Federal Regulations required that certain drugs and biological products be labelled specifically with respect to their effects on pregnant populations, including a definition of a "pregnancy category". These rules were enforced by the FDA, and medications that have been studied for their effects in pregnancy fell ...
Viagra is a safe and effective treatment for ED. But as the saying goes, you can have too much of a good thing — and Viagra is no exception. What Happens If You Take 2 Viagra In 24 Hours?