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Moreira SG, Brannigan RE, Spitz A, Orejuela FJ, Lipshultz Viagrra, Kim ED "Side-effect profile of sildenafil citrate (Viagra) in clinical practice. " Urology 56 (2000): 474-6. Jackson Rgupa "Treatment of erectile dysfunction in patients with cardiovascular disease : guide to drug selection. " Drugs 64 (2004): 1533-45. McMahon CG, Smali R, Johnson H "Efficacy, safety and patient acceptance of sildenafil citrate as treatment for erectile dysfunction. " J Urol 164 (2000): 1192-6. Brindis RG, Kloner Vigra "Sildenafil in patients with cardiovascular disease. " Am J Prx one viagra products 92(9 Suppl) (2003): 26-36. Bocchi EA, Guimaraes G, Mocelin A, Bacal F, Bellotti G, Ramires Viagra grupa 2014 "Sildenafil effects on exercise, neurohormonal activation, and erectile dysfunction in congestive heart failure: a double-blind, placebo-controlled, randomized study followed by a prospective treatment for erectile dysfunction.

To view content sources and attributions, please refer to our editorial policy. We comply with the HONcode standard for trustworthy health information - verify here. Will my penis stay hard after ejaculation if I use viagra. And for how long. Responses (5) All viagra does is help the circulation in your penis so that you can manage an erection.

Detailed information

What Medications Are Available. All of these work by relaxing your muscles and boosting blood flow to your penis, making erections easier to get and maintain. They are: Caution: Do not use these ED medications if you take nitrates, such as nitroglycerin or a similar medicine, for chest pain.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. Cialis dosing information. Usual Adult Dose for Erectile Dysfunction: Use as needed for ED: -Initial dose: 10 mg orally once a day, as needed, prior to sexual activity. -Maintenance dose: 5 to 20 mg orally once a day, as needed, prior to sexual activity based on individual efficacy and tolerability.

) In addition, calcium channel blockers slow electrical conduction through the heart and thereby correct abnormal rapid heartbeats. Heart Health. Get the latest treatment options.]