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Generic sildenafil (and brand-name Viagra) is a medication for the treatment of ED, Raynaud’s phenomenon, and pulmonary arterial hypertension. To understand how Viagra works, we need to look at ...
Pfizer's patents on Viagra expired outside the US in 2012; 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 11 December 2017. [87] [88] In December 2017, Pfizer released its own generic version of Viagra. [89] [90]
According to the Food and Drug Administration (FDA), it usually takes 30 to 60 minutes for Viagra or generic sildenafil to start producing a noticeable improvement in your climax quality.
Viagra (or sildenafil) lasts three to five hours after it’s consumed. Cialis (tadalafil) has a half-life of 17.5 hours, meaning this drug lasts up to 36 hours after it’s consumed.
It’s now sold as brand name Viagra and as generic sildenafil. It takes around 30 to 60 minutes for a normal dose of Viagra to begin working and provide relief from ED. Cialis 101
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 ...
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