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Product Description

In vivo Studies. Cimetidine (800 mg), a nonspecific CYP inhibitor, caused a 56 increase in plasma sildenafil concentrations when co-administered with VIAGRA (50 mg) to healthy volunteers. When a single 100 mg dose of VIAGRA was administered with erythromycin, gloria viagra tim kruger instagram 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 cross canadian ragweed dead man tabs viagra 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 and DRUG INTERACTIONS ].

Continue atun con mayonesa viagra take it as directed by your doctor. For most patients, the recommended dose is 50 mg taken, as needed, approximately 1 hour before sexual activity. However, Viagra may be cdoss anywhere from 4 hours to 0. 5 hour before sexual activity. Based on effectiveness and toleration, the dose may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg.

Detailed information

The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective or appropriate for any given patient. Multum does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects.

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Viagra does not stop the spread of HIV or other sexually transmitted diseases (STDs) to others through sexual contact. Use barrier methods of birth control (eg, condoms) if you have HIV infection or an STD. Viagra will not prevent pregnancy.]