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Tell all your healthcare providers that you take Viagra. If you need emergency medical care for a heart problem, it will be important for your healthcare provider to know when you last took Viagra.Frequency not reported: Priapism, prolonged erection, increased erection, cystitis, nocturia, urinary frequency, urinary incontinence, abnormal ejaculation, genital edema, anorgasmia[Ref] order viagra online canada sudden vision loss; watering of the eyes
Marketing InformationWhen a single 100 mg dose of Viagra was administered with erythromycin, a moderate CYP3A4 inhibitor, at steady state (500 mg bid for 5 days), there was a 160% increase in sildenafil Cmax and a 182% increase in sildenafil AUC. In addition, in a study performed in healthy male volunteers, co-administration of the HIV protease inhibitor saquinavir, also a CYP3A4 inhibitor, at steady state (1200 mg tid) with Viagra (100 mg single dose) resulted in a 140% increase in sildenafil Cmax and a 210% increase in sildenafil AUC. Viagra had no effect on saquinavir pharmacokinetics. A stronger CYP3A4 inhibitor such as ketoconazole or itraconazole could be expected to have greater effect than that seen with saquinavir. Population pharmacokinetic data from patients in clinical trials also indicated a reduction in sildenafil clearance when it was co-administered with CYP3A4 inhibitors (such as ketoconazole, erythromycin, or cimetidine) [see Dosage and Administration (2.4) and Drug Interactions (7.4)]. viagra 50 mg street price Viagra will work only if you are sexually excited.
It was rejected by the FDA twice for lack of effectiveness and side effects like nausea, dizziness and fainting. unstable angina or angina occurring during sexual intercourse
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Use: Treatment of the signs and symptoms of benign prostatic hyperplasia (BPH)Prev page:when should i take cialis