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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 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.
By offering men with ED convenient access and a legitimate alternative to purchase Viagra online, our hope is that Pfizer will help rein in the distribution of fake ED products," said Victor ...
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 ...
Nitrosoprodenafil is a synthetic designer drug found in "herbal" aphrodisiac products, which is a novel nitrosated analogue of sildenafil (Viagra). It has an innovative structure which acts as a prodrug, breaking down in the body to release both the PDE 5 inhibitor aildenafil as well as free nitric oxide, which have powerfully synergistic effects.
Acetildenafil (hongdenafil) is a synthetic drug which acts as a phosphodiesterase inhibitor. [1] It is an analog of sildenafil (Viagra) [2] which has been detected in numerous different brands of "herbal aphrodisiac" products sold in convenience stores that claim to boost libido and alleviate erectile dysfunction.