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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 ]
Viagra usually starts working 30 to 60 minutes after taking it. But simply swallowing the little blue pill won’t automatically make you hard — you still have to be aroused, either through ...
In 1998, Viagra was first introduced to the world, and it is fair to say that the world has not been the same since. The impact of this medication has been enormous, not just in the narrow area of treating erectile dysfunction (ED) for which it was approved, but also in the way we think of sex and sexuality, and even in the realm of ...
Before Viagra was a legal prescription product in New Zealand Bickerstaff was buying it off the web and on-selling it to his car dealer and horse trainer friends. [1] In the process he got practised at talking to his mates about their sex lives. When Viagra was legally introduced he developed Ignite and began marketing on radio.
In 2011, Pfizer Global Security evaluated 22 websites appearing in the top search results for the phrase "buy Viagra" and conducted chemical analysis of the pills advertised as Pfizer's Viagra ...
Viagra could lead to more serious side effects, such as: Priapism (a painful, long-lasting arousal) Vision loss. Chest pain. Flu-like symptoms. Heart attack. Stroke. Dizziness. Sudden low blood ...
In 2003, Eli Lilly and Company introduced Cialis (tadalafil), a competitor to Pfizer's blockbuster Viagra for erectile dysfunction. Cialis maintains an active period of 36 hours, causing it sometimes to be dubbed the "weekend pill". Cialis was developed in a partnership with biotechnology company Icos Corporation. In December 2006, Lilly bought ...
Here’s a fun fact, actually: According to Johnson, the main active ingredients of erectile dysfunction medications Cialis and Viagra—tadalafil and sildenafil—work by lowering blood pressure.