Can Viagra cause insomnia?

May 25, 2022 ... Common side effects can include headaches and dizziness, rarer side effects include heart problems. 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 ... Mar 25, 2025 ... How can you improve your overall health for better Viagra results? Can you make Viagra work faster? Myths debunked. What are the side effects of ... Using this medicine with any of the following medicines may cause an increased risk of certain side effects, but using both drugs may be the best treatment for ... Oct 19, 2014 ... Dosages used for heart ailments are lower than those used for erectile dysfunction, and patients in the study showed few side effects. “ ... A combined effect with nitrate resulted in large and protracted decreases in systemic blood pressure and coronary blood flow in vessels with critical stenosis. Jan 10, 2003 ... Abstract. This study evaluates the effect of sildenafil on choroidal vascular congestion and its correlation with visual effects. Sep 22, 2022 ... In this video Doctor O'Donovan explains key facts you need to know about a medication called SILDENAFIL (Viagra). This video has been ... Jan 23, 2023 ... While sildenafil is an FDA-approved medication in humans, there are different dosages and side effects that can occur in humans as well as ... The most common side effects are headaches, feeling sick, indigestion and dizziness. Many people have no side effects or only mild ones. It can be dangerous to ...