Sildenafil – viagra generic 200mg

Sildenafil is in a class of medications called phosphodiesterase PDE inhibitors. Before taking sildenafil, tell your doctor and pharmacist if you are allergic to sildenafil, any other medications, or any of the ingredients in sildenafil tablet or suspension. At the same time, on-treatment function was better in treated patients who were less impaired at baseline. Tell your doctor if sildenafil is not working well or if you are experiencing side effects. Your doctor will tell you not to take sildenafil if you are taking street drugs containing nitrates. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation.Sildenafil (Viagra) is a medicine used to treat erectile dysfunction (ED, also called impotence). Sildenafil works by helping to relax the blood vessels in the penis, allowing more blood to flow in and cause an erection. You should take sildenafil about an hour before planned sexual activity, so it has time to work. Side Effects. Dizziness, headache, flushing, or stomach upset may occur. Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may. 10 Things to Know About Generic Viagra. Written by Jennifer Gershman, PharmD, CPh, PACS. 4 Ways to Save on Viagra — With or Without Insurance. The typical dose is to take 50 mg of sildenafil (Viagra) by mouth, about 1 hour before sex, as needed. The maximum recommended dose is mg. Don’t take sildenafil (Viagra) .