Viagra performs rapidly after you take a dose. In many people, Viagra is effective inside one hour soon after it’s taken.an erection that will not disappear (priapism). In case you have an erection that lasts over four several hours, get health care assistance at once. If It's not addressed without delay, priapism can forever problems your penis.

Hypertension: Convey to your health practitioner In case you are having drugs to treat substantial blood pressure level. The mix of those remedies and sildenafil may possibly increase into the blood pressure-decreasing effect of those remedies. It's also wise to Permit your medical professional know if you have or have experienced lower blood pres