for Consumers: VIAGRA en Español. for Healthcare professionals: VIAGRA U.S. Physician Prescribing Information and U.S. Patient Product Information. .Protein binding is independent of total drug concentrations. Cialis stays in your system for up to 36 hours, and you can take it daily. The possible categorical responses to these questions were 0 no attempted intercourse, 1 never or almost never, 2 a few times, 3 sometimes, 4 most times, and 5 almost always or always. This leads to more blood flow to the penis, leading to stronger erections. Cialis stays in your system for up to 36 hours and may provide support for erections during that entire time. Tell your doctor or pharmacist if you are taking nitrates medications for chest pain such as isosorbide dinitrate Isordil , isosorbide mononitrate Monoket , and nitroglycerin Nitromist, Nitro-Dur, Nitrostat. Make sure you have discussed any other medications you are currently taking or plan to take before starting sildenafil with your doctor and pharmacist.AdGet a Prescription for ED treatment, discreetly deliverED to your door. VIAGRA is supplied as blue, film-coated, rounded-diamond-shaped tablets containing sildenafil citrate equivalent to 25 mg, 50 mg, or mg of sildenafil. Tablets are debossed with PFIZER on one side and VGR25, VGR50 or VGR on the other to indicate the dosage strengths. Close. Dosage. The dose of Cialis you need will depend on whether you’re taking it daily or as needed. Daily doses are often between and 5 milligrams (mg). The as-needed dose is usually 10 mg but can range from 5–20 mg. The typicaldose of Viagra is 50 mg. However, the dosage can range from 25– mg.The patients in studies had varying degrees of ED. The information provided is for educational purposes only and is not intended to replace discussions with a healthcare provider. The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision such as having a blue color tinge and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash. However, eating food, particularly high-fat food, can reduce the effectiveness of Viagra. If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited. There are many other treatments for erectile dysfunction. Also tell your doctor if you have or have ever had pulmonary veno-occlusive disease PVOD; blockage of veins in the lungs ; a stomach ulcer; heart, kidney, or liver disease; a heart attack; heart failure; angina chest pain ; an irregular heartbeat; a stroke; chest pain; high or low blood pressure; high cholesterol; a bleeding disorder; blood circulation problems; blood cell problems such as sickle cell anemia a disease of the red blood cells , multiple myeloma cancer of the plasma cells , or leukemia cancer of the white blood cells ; conditions affecting the shape of the penis e.
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