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Viagra is a medication for ED that can help adult men of all ages. This prescription drug is taken as needed to get and maintain hard during intimacy. ... Viagra may cause common side effects ...
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 ...
When nitrate-containing drugs or alpha-blockers are used with sildenafil, they can cause a sudden and severe drop in your blood pressure. This may make you feel dizzy or, more seriously, could ...
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]
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 and other PDE-5 inhibitor medications can interact with other drugs, including several common medications used to treat chest pain, high blood pressure (sildenafil can cause low blood ...
Life-threatening problems can result when drug interactions between your daily medications cause side effects, and nowhere might that be more clear than with Viagra and high blood pressure.
Sildenafil did not prove effective for coronary heart disease but an interesting side effect was discovered, a penile erection. That side effect soon became the main field of investigation. [23] The inhibitor is highly selective for the PDE5 family. [22] Sildenafil is a prototype of PDE5 inhibitors that Pfizer launched as Viagra.