枸橼酸西地那非 (伟哥) 粉末CAS 171599-83-0

Sildenafil citrate is a raw material of Viagra, a treatment of erectile dysfunction by virtue of relaxing muscle, increasing blood flow to specific areas of the body (especially the penis). The effect lasted for up to four hours. Viagra’s most common side effects are headaches, facial flushing, stomach discomfort. Few, blurred vision or sensitivity to light may occur briefly.

In addition to the treatment of sun ence, sildenafil citrate can also be effective in the treatment of pulmonary hypertension (PAH). Similar to how it relaxes the muscles of the penis, it relaxes the arterial wall; 所以, reduces arterial resistance and stress.
Sildenafil citrate only relieves the muscles in PDE-5 and increases blood flow to the heart, lungs and penis, but does not increase blood vessels in other parts of the body.

枸橼酸西地那非(伟哥) 剂量

A dose of 10-200 mg was administered to 16 different 4-24 weeks of male (over 18 years of age) with a trial for more than 6 几个月. Compared with the placebo group, Sildenfil treatment reported a significant improvement in erectile function, including puncture frequency and puncture time.

Viagra group of 72% of the placebo group improved 18% of the erection. In all cases, the effect depends on the dose, and when the dose exceeds 100 毫克, the improvement is greatest. Diabetes and prostatectomy patients were reduced by 40-60%. The extraction rate was less than 5%, with negative side effects and limited response rates.