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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 ]
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]
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 ...
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 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 ...
In clinical trials of Viagra, more than 82 percent of men with ED reported an improvement in their climaxes after using Viagra at a dosage of 100mg (the highest dosage prescribed for ED).
Viagra or sildenafil, the active ingredient and generic version, is a PDE-5 inhibitor that widens blood vessels inside the member to allow better blood flow for stronger or longer-lasting arousal.
Sex during pregnancy is a low-risk behavior except when the healthcare provider advises that sexual intercourse be avoided for particular medical reasons. [1] For a healthy pregnant woman, there is a variety of safe ways to have sex during pregnancy.