How are adverse events related to Viagra reported and investigated?

In men with stable CAD, sildenafil had no effect on symptoms, exercise duration, or presence or extent of exercise-induced ischemia, as assessed by exercise ... The present study was conducted to investigate the cytogenetic effects of sildenafil citrate in SWR/J mouse bone marrow cells. How does Viagra work? ... Viagra relaxes the muscle cells in the blood vessels supplying the penis, allowing an increased blood flow. Erections occur when blood ... Viagra (sildenafil) is a phosphodiesterase-5 (PDE5) inhibitor used for the treatment of erectile dysfunction. Using this medicine with any of the following may cause an increased risk of certain side effects but may be unavoidable in some cases. If used together, your ... Nov 22, 2023 ... Cocaine and Viagra, however, can cause serious repercussions. In some instances, the combination has even proved to be deadly. Mixing different ... Oct 28, 2020 ... Sildenafil exacerbates fetal growth restriction. “We found that far from having a positive effect, giving sildenafil impaired this mechanism, ... Common side effects of sildenafil happen in more than 1 in 100 people. If you're taking it for erection problems you're unlikely to get side effects. Research has shown that cocaine misuse can cause marked decreases in cerebral blood flow, particularly affecting the prefrontal cortex. Feb 14, 2025 ... Viagra treats erectile dysfunction. Women and men with PAH can use sildenafil. No differences in side effects have been reported among genders.