Category: Generic Viagra

How Long Does Viagra Last?

 How long does Viagra take to work? Viagra starts working in around 30 minutes and any sexual arousal can start the process of erection. In some cases, the effect may occur in 15 minutes, and some men need to wait up to 2 hours. The active substance of Viagra – sildenafil – is well absorbed into the blood, in particular, after taking 1 tablet of Viagra 100 mg on an empty stomach, the maximum concentration of sildenafil in the blood occurs within 30 minutes to 1 hour.