";s:4:"text";s:3943:" 3) Know the potential side effects. [online] Available at: Viagra (2018). Do not take Viagra more than once a day. This has occurred in a small number of people taking sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old. But higher amounts of the active ingredient makes it more likely for people to have side effects.A doctor will aim to prescribe a dose of Viagra that allows you to have the erections that you want, without experiencing side effects.A doctor will always prescribe a dose that they feel will be safe for you. Finding the right dose. Already ate a large meal? Should I cut it in half and take 50 mg, or just go for the whole thing? You should try Viagra on at least 8 different days, to see if it starts to have any effect. You could be having a serious side effect of sildenafil.Store at room temperature away from moisture and heat.Since Viagra is used as needed, you are not likely to miss a dose.Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.Drinking alcohol with this medicine can cause side effects.Grapefruit and grapefruit juice may interact with sildenafil and lead to unwanted side effects. Viagra: patient information leaflet. Not all possible interactions are listed in this medication guide.Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use Viagra only for the indication prescribed.Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.Copyright 1996-2020 Cerner Multum, Inc. You may take it up to 4 hours before sexual activity. Viagra tends to work best when taken on an empty stomach. How much is the right dose? Thank you so much Zava When PDE-5 is inhibited, levels of a substance called cGMP remain elevated.
Viagra usually starts to work between 30 and 60 minutes after you take it.