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Sildenafil’s ability to increase blood flow makes the medication useful for managing other conditions. Some sources suggest Viagra might make you last longer in bed, and others say it’s good ...
Bleeding problems or stomach ulcers. Liver and kidney problems, including being on dialysis. How to Use Sildenafil Safely. When you’re dealing with ED, it can understandably trigger a range of ...
Research has found that taking Viagra does not increase high blood pressure. Sildenafil, the active ingredient in Viagra, is actually used to treat a certain kind of high blood pressure in the lungs.
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.
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] It is unclear if it is effective for treating sexual dysfunction in females. [8]
Sildenafil was initially introduced for clinical trial in 1989. It was the result of extensive research on chemical agents targeting PDE5 that could be effective in treatment of coronary heart disease. [22] Sildenafil did not prove effective for coronary heart disease but an interesting side effect was discovered, a penile erection.
Like other medications, sildenafil citrate comes in several doses, ranging from as little as 25 mg a tablet (20 mg when referring to the generic version of Revatio — a medication for a type of ...
Many of these pills work fairly quickly. Sildenafil (Viagra), tadalafil (Cialis) and vardenafil (Levitra) typically start working within 30 to 60 minutes, while avanafil (Stendra) works within 15 ...