Viagra increased heart rate

All of colored additives and textures must be special ordered. HIGHLIGHTS OF PRESCRIBING INFORMATIONThese highlights do not include all the information needed to use VIAGRA safely and effectively. See full prescribing information for VIAGRA. For most patients, the recommended dose is 50 mg taken, as needed, viagra increased heart rate 1 hour before sexual activity.

viagra increased heart rate

Administration of VIAGRA to patients using nitric oxide donors, such as organic nitrates or organic nitrites in any form. VIAGRA should be used with caution, and only when the anticipated benefits outweigh the risks, in patients with a history of NAION. Patients with a “crowded” optic disc may also be at an increased risk of NAION. Caution is advised when VIAGRA is co-administered with alpha-blockers or anti-hypertensives. Decreased blood pressure, syncope, and prolonged erection may occur at higher sildenafil exposures. In patients taking strong CYP inhibitors, such as ritonavir, sildenafil exposure is increased. To report SUSPECTED ADVERSE REACTIONS, contact Pfizer at 1-800-438-1985 or FDA at 1-800-FDA-1088 or www. See 17 for PATIENT COUNSELING INFORMATION and FDA-approved patient labeling.

1 INDICATIONS AND USAGE2 DOSAGE AND ADMINISTRATION2. 1 INDICATIONS AND USAGEVIAGRA is indicated for the treatment of erectile dysfunction. However, VIAGRA may be taken anywhere from 30 minutes to 4 hours before sexual activity. The maximum recommended dosing frequency is once per day. Based on effectiveness and toleration, the dose may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg. 2 Use with FoodVIAGRA may be taken with or without food. 3 Dosage Adjustments in Specific SituationsVIAGRA was shown to potentiate the hypotensive effects of nitrates and its administration in patients who use nitric oxide donors such as organic nitrates or organic nitrites in any form is therefore contraindicated . When VIAGRA is co-administered with an alpha-blocker, patients should be stable on alpha-blocker therapy prior to initiating VIAGRA treatment and VIAGRA should be initiated at 25 mg . The recommended dose for ritonavir-treated patients is 25 mg prior to sexual activity and the recommended maximum dose is 25 mg within a 48 hour period because concomitant administration increased the blood levels of sildenafil by 11-fold . Clinical data have shown that co-administration with saquinavir or erythromycin increased plasma levels of sildenafil by about 3 fold .

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3 DOSAGE FORMS AND STRENGTHSVIAGRA is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to 25 mg, 50 mg, or 100 mg of sildenafil. Tablets are debossed with PFIZER on one side and VGR25, VGR50 or VGR100 on the other to indicate the dosage strengths.

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