Most scientific studies assessed the efficacy of VIAGRA about sixty minutes submit dose. The erectile response, as assessed by RigiScan®, typically increased with escalating sildenafil dose and plasma focus. Some time system of impact was examined in one study, displaying an outcome for approximately four hours even so the reaction was diminished in comparison to 2 hours.

priapism, a agonizing erection that lasts extended than 4 several hours and could lead to long term harm to your penis if untreated

Hearing: Instances of sudden lessen or loss of hearing have been described postmarketing in temporal Affiliation with the usage of PDE5 inhibitors, which include VIAGRA. In some of the scenarios, clinical ailments and other components ended up claimed which could have also performed a task during the otologic adverse functions.

You’ll just take Viagra by mouth about one hour just before sexual activity. You'll want to swallow the pill full.

Sildenafil relaxes muscles of your blood vessels and raises blood stream to unique parts of your body.

VIAGRA should be utilized with caution, and only when the predicted Rewards outweigh the risks, in individuals that has a history of NAION. Sufferers with a "crowded" optic disc may be at a heightened danger of NAION. (five.three)

VIAGRA is usually a prescription medication made use of to take care of erectile dysfunction (ED). You will not get an erection just by getting this medicine. VIAGRA helps a man with erectile dysfunction get and retain an erection only when He's sexually fired up (stimulated).

With the 4 subjects who obtained VIAGRA a hundred mg in the 1st aspect of this examine, a significant adverse party connected to hypertension outcome was documented in a single affected person (postural hypotension that began 35 minutes after dosing with VIAGRA with signs lasting for eight hours), and mild adverse occasions possibly connected to blood pressure consequences have been claimed in two Other people (dizziness, headache and tiredness at one hour right after dosing; and dizziness, lightheadedness and nausea at four hours just after dosing).

Never just take much more Viagra than your medical doctor prescribes. Using in excess of this can result in critical Unwanted side effects.

Never give this medication to anybody else, regardless of whether they've got more info a similar signs as you are doing. It may be unsafe for folks to acquire this medication if their doctor has not prescribed it.

Irregularities in penis condition. If you have any situations that lead to an atypical penis condition, for instance Peyronie’s condition, inform your medical doctor ahead of getting Viagra. You will have a heightened danger for priapism or harm to your penis If the erection lasts far too very long with Viagra.

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In case you have liver troubles, examine using your medical professional how this medication could have an effect on your healthcare condition, how your professional medical issue might have an affect on the dosing and performance of the medication, and no matter whether any Unique monitoring is necessary.

In many of the scientific tests, of each mounted dose and titration designs, day-to-day diaries were being stored by sufferers. In these studies, involving about 1600 individuals, analyses of individual diaries confirmed no outcome of VIAGRA on prices of attempted intercourse (about 2 each week), but there was obvious treatment method-related improvement in sexual perform: per affected person weekly good results costs averaged 1.