What is sildenafil tablet used for

Inform patients that sildenafil is also marketed as VIAGRA for erectile dysfunction.A randomized, double-blind, parallel dose study (Study 3) was planned in 219 patients with PAH.

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Data on other hemodynamic measures for the sildenafil 20 mg three times a day and placebo dosing regimens is displayed in Table 3.Administration of sildenafil did not result in a statistically significant improvement in exercise capacity in those patients.An observational study evaluated whether recent, episodic use of PDE5 inhibitors (as a class), typical of erectile dysfunction treatment, was associated with acute onset of NAION.

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Overall Sexual Experience in Men Using Sildenafil Citrate

Sildenafil citrate USP is a white or almost white slightly hygroscopic crystalline powder, slightly soluble in water, in methanol and practically insoluble in hexane and a molecular weight of 666.7.To view content sources and attributions, please refer to our editorial policy.To reduce the risk of dizziness and lightheadedness, get up slowly when rising from a sitting or lying position.

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Adverse reactions were generally transient and mild to moderate in nature.WebMD does not provide medical advice, diagnosis or treatment.FDA: Cutting-Edge Technology Sheds Light on Antibiotic Resistance.After all patients completed 16 weeks of follow-up in the controlled study, the blind was broken and doses were adjusted as clinically indicated.You may report side effects to Health Canada at 1-866-234-2345.At doses higher than the recommended 20 mg three times a day, there was a greater incidence of some adverse reactions including flushing, diarrhea, myalgia and visual disturbances.

Sildenafil can cause a serious drop in your blood pressure when used with nitrates.OTHER USES: This section contains uses of this drug that are not listed in the approved professional labeling for the drug but that may be prescribed by your health care professional.Patients with left ventricular ejection fraction less than 45% or left ventricular shortening fraction less than 0.2 also were not studied.Because these reactions are reported voluntarily from a population of uncertain size, it is not always possible to reliably estimate their frequency or establish a causal relationship to drug exposure.

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Sildenafil is cleared predominantly by the CYP3A (major route) and cytochrome P450 2C9 (CYP2C9, minor route) hepatic microsomal isoenzymes.Download Living Healthy Featured Content Improve Your Concentration These Foods and Drinks Can Help Allergy App Fight allergies with daily forecasts, local alerts, and personalized tips.

Viagra (sildenafil) Drug / Medicine Information

The dataset available for the population pharmacokinetic evaluation contained a wide range of demographic data and laboratory parameters associated with hepatic and renal function.After chronic dosing of 80 mg three times a day sildenafil to patients with systemic hypertension, the mean change from baseline in systolic and diastolic blood pressures was a decrease of 9.4 mmHg and 9.1 mmHg, respectively.Administer sildenafil tablet doses 4 to 6 hours apart. (sildenafil), which is used to treat erectile dysfunction (impotence).

If this occurs, stop using this drug and get medical help right away, or permanent problems could occur.Vaso-occlusive Crisis in Patients with Pulmonary Hypertension Secondary to Sickle Cell Anemia.In a randomized, double-blind, multi-center, placebo-controlled, parallel-group, dose-ranging study, 234 patients with PAH, aged 1 to 17 years, body weight greater than or equal to 8 kg, were randomized, on the basis of body weight, to three dose levels of sildenafil, or placebo, for 16 weeks of treatment.

Pulmonary vasodilators may significantly worsen the cardiovascular status of patients with pulmonary veno-occlusive disease (PVOD).Sildenafil Citrate is a chemical composition that is discovered to be highly efficacious in.Because clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in practice.Do not take more than one dose of Sildenafil Tablets at a time.

There were infrequent reports of patients who experienced symptomatic postural hypotension.The approximately 4,000-fold selectivity for PDE-5 versus PDE3 is important because PDE3 is involved in control of cardiac contractility.Patients with severe hepatic impairment (Child-Pugh class C) have not been studied.

Population pharmacokinetic analysis of data from patients in clinical trials indicated approximately 3-fold the sildenafil clearance when it was co-administered with mild CYP3A inducers.

Sildenafil Injection: The pharmacokinetic profile of sildenafil has been characterized following intravenous administration.Use this drug for a condition that is listed in this section only if it has been so prescribed by your health care professional.Each tablet contains sildenafil citrate USP equivalent to 20 mg of sildenafil.