What is the evidence for Viagra's effectiveness in treating Raynaud's phenomenon?

Nov 28, 2019 ... Viagra can cause changes in blood pressure for some men, and both high and low blood pressure are listed as uncommon side effects of taking Viagra. Vaginal administration of sildenafil enhanced endometrial development in 70% of patients studied. High implantation and ongoing pregnancy rates were achieved. Viagra (Sildenafil) has ... Kloner, R.A.. Cardiovascular effects of the 3 phosphodiesterase-5 inhibitors approved for the treatment of erectile dysfunction. Jan 12, 2012 ... ... Viagra (sildenafil citrate). Neurotropic effects of Viagra were clearly pronounced at concentrations of 10-5 and 10-4 M; they were ... Viagra is unlikely to impair common visual tasks, except under conditions of reduced visibility when objects are already near visual threshold. Jul 1, 2008 ... Scientists say watermelon has ingredients that deliver Viagra-like effects to the body's blood vessels and may even increase libido. Sep 13, 2016 ... Like many other drugs, sildenafil may cause various kinds of adverse effects. Most commonly reported adverse effects include headache (16%),. May 25, 2022 ... Common side effects can include headaches and dizziness, rarer side effects include heart problems. These side effects usually go away after a few hours. Very occasionally, sildenafil can cause a painful erection or an erection that won't go away (priapism). 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.