Hemic and Lymphatic: anemia and leukopenia. ADVERSE EVENTS REPORTED BY ≥2% OF PATIENTS TREATED WITH Viagra AND MORE FREQUENT ON DRUG THAN PLACEBO IN PRN FLEXIBLE-DOSE PHASE II/III STUDIES Adverse Event Percentage of Patients Viagra N=734 Reporting Event PLACEBO N=725 Headache 16% 4% Flushing 10% 1% Dyspepsia 7% 2% Nasal Congestion 4% 2% Urinary Tract Infection 3% 2% Abnormal Vision* 3% 0% Diarrhea 3% 1% Dizziness 2% 1% Rash 2% 1% * Abnormal Vision: Mild and transient, predominantly color tinge to vision, but also increased sensitivity to light or blurred vision. Its effect is more potent on PDE5 than on other known phosphodiesterases (10-fold for PDE6, >80-fold for PDE1, >700-fold for PDE2, PDE3, PDE4, PDE7, PDE8, other uses for viagra PDE10, and PDE11). Do NOT take more than the recommended dose or take it more often than once daily, or as directed by your doctor. Do not take Viagra if other uses for viagra are also using a nitrate drug for chest pain or heart problems, including nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket), or recreational drugs such as amyl nitrate or nitrite ("poppers"). The primary measure in the principal studies was a sexual function questionnaire (the International Index of Erectile Function - IIEF) administered during a other uses for viagra treatment-free run-in period, at baseline, at follow-up visits, and at the end of other uses for viagra placebo-controlled, at-home treatment.
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Stop using Viagra other uses for viagra get emergency medical help if you other uses for viagra sudden vision loss. Your doctor may prescribe a lower dose of Viagra in certain circumstances. It is not meant to take the place of your doctor's instructions. You will need to have a thorough medical exam to diagnose your erectile dysfunction and to find out if you can safely take Viagra alone or with your other medicines. Every effort has been made to ensure that the information provided by Cerner Multum, Inc. If you have any questions or want more information about Viagra, talk with your doctor or pharmacist, visit www.Viagra.com, or call 1-888-4Viagra. If you take Viagra with any nitrate medicine your blood pressure could suddenly drop to an unsafe or life threatening level. While there were no severe adverse events potentially related to blood pressure reported in this study, one subject other uses for viagra moderate vasodilatation after both Viagra 50 mg and 100 mg. Do not use Viagra without telling your doctor if you are pregnant or plan to become pregnant during treatment. Physicians should warn patients that prolonged erections greater than 4 hours and priapism (painful erections greater than other uses for viagra hours in duration) have been reported infrequently since market approval of Viagra. Sit or lie down at the first sign of any of these effects. Others were reported to have occurred hours to days after the use of Viagra and sexual activity. • Viagra IS NOT FOR EVERYONE As noted above (How Sex Affects the Body), ask your doctor if your heart is healthy enough for sexual activity. There was no impairment of fertility in rats given sildenafil up to 60 mg/kg/day for 36 days to females and 102 days to males, a dose producing an AUC value of more than 25 times the human male AUC. Issue Date: August 4, 2010 Database Edition 10.3.1.002 Copyright © 2010 Wolters Kluwer Health, Inc.
The incidence of side effects has been dose-dependent. Nervous system Nervous system side effects have included headache, observed in up to 16% of patients. It is eliminated predominantly by hepatic metabolism (mainly cytochrome P450 3A4) and is converted to an active metabolite with properties similar to the parent, sildenafil. • HOW Viagra WORKS Viagra enables many men with erectile dysfunction to respond to other uses for viagra stimulation. If you experience these symptoms, stop taking Viagra and contact a doctor right away. Viagra should be used with caution in patients with anatomical deformation of the penis (such as angulation, cavernosal fibrosis or Peyronie's disease), or in patients who have conditions which may predispose them to priapism (such as sickle cell anemia, multiple myeloma, or leukemia). This list is not complete and other other uses for viagra may interact with sildenafil. Although plasma levels other uses for viagra sildenafil at 24 hours post dose are much other uses for viagra than at peak concentration, it is unknown whether nitrates can be safely coadministered at this time point. Other respiratory system side effects have included wheezing, dyspnea, laryngitis, pharyngitis, sinusitis, bronchitis, increased sputum production, and cough. Genitourinary Genitourinary side effects have included urinary tract infection other uses for viagra 3% of patients. This is not a complete list of side effects and others may occur. INDICATION AND USAGE Viagra is indicated for the treatment of erectile dysfunction. If you have questions about the drugs you are taking, check with your doctor, nurse or pharmacist. Viagra was administered to more than 3,000 patients aged 19 to 87 years, with ED of various etiologies (organic, other uses for viagra mixed) with a mean duration of 5 years. In a study of healthy male volunteers, sildenafil (100 mg) did not affect the steady state pharmacokinetics of the HIV protease inhibitors, saquinavir and ritonavir, both of which are CYP3A4 substrates.