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작성자 Danielle Chinn
댓글 0건 조회 24회 작성일 25-05-04 13:57

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The mechanism of action of Viagra involves the enhancement of nitric oxide (NO) effects in the corpus cavernosum of the penis. Elevated levels of cGMP lead to smooth muscle relaxation and increased blood flow to the penis enlargement surgery cost in india, penis enlargement surgery costs facilitating the erection process. Viagra works by inhibiting the enzyme phosphodiesterase type 5 (PDE5), which results in an increase in the levels of cyclic guanosine monophosphate (cGMP).

NO is a natural chemical that relaxes muscles in the penis, increases blood flow, and allows for an erection in response to sexual stimulation. Viagra, known generically as sildenafil citrate, is a medication primarily used to treat erectile dysfunction (ED) in men. Its discovery was somewhat serendipitous; originally developed as a treatment for hypertension and angina pectoris, researchers noted the drug's ability to induce penile erections as a side effect during clinical trials.

Since its market introduction by Pfizer in 1998, Viagra has become one of the most well-known and frequently prescribed drugs for ED. It has helped destigmatize ED, a condition that affects millions of men worldwide, by promoting open discussions about sexual health. Viagra’s impact extends beyond the realm of medical science into social and cultural spheres. Its success has also spurred the development of other PDE5 inhibitors, such as Cialis (tadalafil) and Levitra (vardenafil), expanding the options available for ED treatment.

It has shown potential in treating pulmonary arterial hypertension (PAH), a rare disease characterized by high blood pressure in the arteries of the lungs. Besides treating ED, Viagra has also been explored for other medical conditions. Viagra, under the name Revatio, is prescribed to improve exercise ability and delay clinical worsening in PAH patients. Moreover, ongoing research investigates the possible role of Viagra in treating conditions such as heart disease, stroke, and even premature ejaculation, indicating its versatile therapeutic potential beyond erectile dysfunction.

Originally intended as a treatment for hypertension and angina pectoris, its notable side effect on erectile dysfunction (ED) redirected its course towards sexual health, marking a revolutionary step in its domain. Viagra, chemically known as sildenafil citrate, was first developed by scientists in Britain working for Pfizer in 1989. Viagra's introduction has also had significant social and cultural impacts. It has also spurred the development of other similar medications, such as tadalafil (Cialis) and vardenafil (Levitra), expanding the options available for erectile dysfunction treatment.

It has helped break the stigma associated with erectile dysfunction, bringing more openness to discussions about sexual health among men. In PAH, Viagra helps relax blood vessels in the lungs, improving blood flow and reducing the heart's workload. For instance, it has shown potential benefits in treating pulmonary arterial hypertension (PAH), a rare but serious heart condition. Beyond its primary use in treating ED, Viagra has also been explored for other medical conditions.

It is marketed under the brand name Revatio for this purpose. This process allows for viagra 800mg increased blood flow into the penis, facilitating the achievement and maintenance of an erection. The mechanism of action of Viagra involves the inhibition of the enzyme phosphodiesterase type 5 (PDE5) which is found primarily in the penis.

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