Most research assessed the efficacy of VIAGRA somewhere around sixty minutes publish dose. The erectile response, as assessed by RigiScan®, commonly improved with rising sildenafil dose and plasma concentration. Time course of impact was examined in a single examine, exhibiting an effect for nearly four several hours though the response was diminished as compared to two several hours.

[seventy two][seventy three] The Viagra name happens to be so renowned that a lot of fake aphrodisiacs now simply call themselves "herbal viagra" or are offered as blue tablets imitating The form and colour of copyright's product. Viagra can be informally known as "vitamin V", "the blue tablet", or "blue diamond", as well as various other nicknames.

Convey to all of your healthcare providers which you acquire VIAGRA. If you need crisis professional medical care for a heart difficulty, It'll be important in your Health care provider to learn any time you last took VIAGRA.

This Assessment was carried out retrospectively, and was not driven to detect any pre-specified variance in adverse reactions.

Though sildenafil improves some markers of illness in people with pulmonary arterial hypertension, it doesn't appear to influence the risk of Dying or serious Unwanted effects.[twenty]

Especially, Ensure that you talk about In case you are working with any of the subsequent just before using sildenafil.

These occasions are actually preferred for inclusion either because of their seriousness, reporting frequency, deficiency of obvious different causation, or a mix of these factors.

In lots of instances, medical follow-up information and facts click here was minimal. It truly is not possible to ascertain no matter if these documented functions are connected on to using VIAGRA, for the individual's fundamental danger things for Listening to loss, a combination of these factors, or to other components [see WARNINGS AND Safety measures and PATIENT Data].

VIAGRA may be taken with or with no food items. If you're taking VIAGRA following a high Body fat food (for instance a cheeseburger and french fries), VIAGRA may well get somewhat for a longer period to get started on Doing the job

The concomitant administration of the protease inhibitor ritonavir substantially increases serum concentrations of sildenafil (eleven-fold rise in AUC). If VIAGRA is prescribed to sufferers using ritonavir, caution must be made use of. Knowledge from topics exposed to higher systemic levels of sildenafil are constrained.

VIAGRA could potentially cause your hypertension to drop quickly to an unsafe amount whether it is taken with certain other medicines. Don't just take VIAGRA if you are taking every other medicines referred to as “nitrates.

This article describes the dosage of Viagra, in addition to its strengths and the way to choose it. To learn more about Viagra, see this thorough overview of Viagra.

The subsequent Unintended effects have already been noted by a minimum of one% of men and women using this medication. Numerous of such side effects is usually managed, and several might go away by themselves with time.

sudden vision decline in one or the two eyes. Sudden eyesight loss in a single or equally eyes could be a sign of a significant eye challenge known as non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking VIAGRA and phone your healthcare service provider immediately For those who have sudden vision decline in a single or equally eyes.