No, the dosage of Viagra isn’t according to a person’s body weight. As an alternative, Viagra’s dosage relies in your age, how nicely your kidneys and liver are Performing, and how nicely the drug is effective for your erectile dysfunction.

priapism, a painful erection that lasts for a longer time than 4 hrs and may lead to long lasting damage to your penis if untreated

Tend not to consider Viagra When you are also employing a nitrate drug for chest pain or heart problems, such as nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, plus some leisure drugs such as "poppers". Using sildenafil having a nitrate medicine may cause a sudden and really serious minimize in blood pressure.

Should you have questions on how quickly Viagra will work for you, talk to your medical professional or pharmacist.

This metabolite has a PDE selectivity profile comparable to sildenafil and an in vitro potency for PDE5 close to fifty% on the father or mother drug. Plasma concentrations of this metabolite are somewhere around forty% of All those observed for sildenafil, so the metabolite accounts for about 20% of sildenafil's pharmacologic outcomes.

Viagra is meant for use in Males, and is particularly unlikely for use in Ladies who will be Expecting or breastfeeding. Even so, Viagra is not really predicted to get hazardous to some fetus.

VIAGRA is actually a prescription drugs employed to treat erectile dysfunction (ED). You won't get an erection just by having this medicine. VIAGRA aids a person with erectile dysfunction get and maintain an erection only when He's sexually energized (stimulated).

Cialis and Viagra equally belong to a similar group of drugs, they usually get the job done in really identical ways. Regardless that these medications are very similar, they do have some differences. This features their suggested dosing and probable Unintended effects.

In the event your blood pressure is too reduced, your health care provider can present you with medications or fluids to assist enhance your blood pressure check here level.

Liver operate: When you've got poor liver function, you might need reduce doses of the medication. Liver disease or lessened liver function may cause this medication to build up in the human body, producing Unintended effects.

VIAGRA has systemic vasodilatory Homes that resulted in transient decreases in supine hypertension in healthier volunteers (necessarily mean most reduce of 8.four/five.5 mmHg), [see CLINICAL PHARMACOLOGY]. Although this normally would be envisioned to get of very little consequence in the majority of clients, previous to prescribing VIAGRA, medical professionals need to thoroughly take into consideration whether their people with fundamental heart problems may very well be impacted adversely by this kind of vasodilatory consequences, Specially in combination with sexual action.

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For those who have kidney challenges, go over with the physician how this medication might have an effect on your health care condition, how your healthcare situation may perhaps affect the dosing and success of this medication, and regardless of whether any Particular checking is needed.

Per its recognised consequences to the nitric oxide/cGMP pathway [see Scientific PHARMACOLOGY], VIAGRA was demonstrated to potentiate the hypotensive results of nitrates, and its administration to sufferers who're working with nitric oxide donors like natural nitrates or natural nitrites in almost any variety both routinely and/or intermittently is hence contraindicated.