Viagra age range

The major circulating metabolite results from N-desmethylation of sildenafil, and is itself further metabolized.Following a review of the data from these first 4 subjects (details provided below), the Viagra dose was reduced to 25 mg.The evaluation of erectile dysfunction should include a determination of potential underlying causes and the identification of appropriate treatment following a complete medical assessment.After either oral or intravenous administration, sildenafil is excreted as metabolites predominantly in the feces (approximately 80% of administered oral dose) and to a lesser extent in the urine (approximately 13% of the administered oral dose).

The pharmacokinetics of sildenafil in patients with severely impaired hepatic function (Child-Pugh Class C) have not been studied.If it is not treated right away, priapism can permanently damage your penis.

Stepwise increase in alpha-blocker dose may be associated with further lowering of blood pressure when taking a PDE5 inhibitor.See the end of this leaflet for a complete list of ingredients in Viagra.Age Range For Erectile Dysfunction Libido Grow with Does Vitamin E Make You Cum More and Natural Remedies To Erectile Dysfunction treatment of prostate cancer may.Efficacy Results in Subpopulations in Controlled Clinical Studies.Sexual function data were also recorded by patients in a daily diary.Sildenafil was negative in in vitro bacterial and Chinese hamster ovary cell assays to detect mutagenicity, and in vitro human lymphocytes and in vivo mouse micronucleus assays to detect clastogenicity.The inhibition of PDE5 in some of these tissues by sildenafil may be the basis for the enhanced platelet antiaggregatory activity of NO observed in vitro, an inhibition of platelet thrombus formation in vivo and peripheral arterial-venous dilatation in vivo.

The use of Viagra offers no protection against sexually transmitted diseases.In some of the cases, medical conditions and other factors were reported that may have also played a role in the otologic adverse events.

The mean profiles of the change from baseline in standing systolic blood pressure in subjects treated with doxazosin in combination with 25 mg Viagra or matching placebo are shown in Figure 2.The primary measure in the principal studies was a sexual function questionnaire (the International Index of Erectile Function - IIEF) administered during a 4-week treatment-free run-in period, at baseline, at follow-up visits, and at the end of double-blind, placebo-controlled, at-home treatment.After patients have taken Viagra, it is unknown when nitrates, if necessary, can be safely administered.Includes: indications, dosage, adverse reactions, pharmacology and more.Some people may also have ringing in their ears (tinnitus) or dizziness.Viagra (sildenafil citrate) is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to the nominally indicated amount of sildenafil and debossed on the obverse and reverse sides as follows.In placebo-controlled clinical studies, the discontinuation rate due to adverse reactions for Viagra (2.5%) was not significantly different from placebo (2.3%).

Consider a starting dose of 25 mg in patients treated with strong CYP3A4 inhibitors (e.g., ketoconazole, itraconazole, or saquinavir) or erythromycin.

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Most Adult Survivors of Childhood Cancers Enjoy Good Sexual Health.There are no adequate and well-controlled studies of sildenafil in pregnant women.

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Many of these events were reported to occur during or shortly after sexual activity, and a few were reported to occur shortly after the use of Viagra without sexual activity.Effect of Viagra on Blood Pressure When Co-administered with Anti-hypertensives: When Viagra 100 mg oral was co-administered with amlodipine, 5 mg or 10 mg oral, to hypertensive patients, the mean additional reduction on supine blood pressure was 8 mmHg systolic and 7 mmHg diastolic.

Therefore, treatments for erectile dysfunction, including Viagra, should not be generally used in men for whom sexual activity is inadvisable because of their underlying cardiovascular status.Analysis of the safety database from controlled clinical trials showed no apparent difference in adverse reactions in patients taking Viagra with and without anti-hypertensive medication.