Viagra is a medication used to treat erectile dysfunction. It is also known as one of the brand names for sildenafil. It works by relaxing the muscles of the penis and increasing blood flow to that area.
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Viagra should be taken anywhere from 30 minutes to an hour before having sexual intercourse, although it can be last in the system for up to 4 hours. It should only be taken as needed, and should not be taken more than once in a 24 hour period of time.
Before taking Viagra, it should be noted that it should not be taken if you are allergic to sildenafil or any of its other ingredients, if you are taking any other medications containing sildenafil such as Revatio, unless told to do so by your healthcare provider, or if taking any medications such as riociguat to treat pulmonary artery hypertension. Viagra also should not be taken if currently taking any nitrate drugs to treat chest pain or heart problems, such as nitroglycerin or recreational drugs such as amyl nitrate. Doing so can cause a sudden decrease in blood pressure.
Let your doctor know of any existing health issue before taking Viagra, such as heart disease, history of a heart attack, heart failure, or stroke, high or low blood pressure, kidney disease or liver disease, any type of blood disorder such as sickle cell anemia, leukemia, or multiple myeloma, any type of bleeding disorder, stomach ulcers, retinitis pigmentosa, or penis physical deformity. Those with a history of heart disease, diabetes, high blood pressure, high cholesterol, smokers, those who are over the age of 50, or people with pre-existing eye problems should be cautious when taking Viagra, as a small number of people with said health issues have had sudden vision loss due to decrease in blood flow to the optic nerve of the eye.
Common side effects from taking Viagra include flushing, upset stomach, headache, dizziness, stuffy nose, muscle or back pain, or abnormal vision such as blurred vision or changes in color vision. More serious symptoms from taking Viagra include ear ringing, sudden loss of hearing, seizures, swelling of the hands, ankles, or feet, irregular heartbeat, shortness of breath, or lightheadedness. Other serious side effects include painful erection or erection that lasts longer than 4 hours, and heart attack symptoms such as chest pain, chest pressure, nausea, sweating, or pain spreading to the jaw or shoulder. Should you experience any of the more serious side effects of taking Viagra, stop taking and seek medical attention as soon as possible.
Viagra should be stored in an area away from moisture or heat, and kept at room temperature. Store out of reach of children and animals.
Viagra can be purchased online through several Australian retailers, such as edonlinestore.net. It can be bought in several dosage forms ranging from as low as 25 mg up to as high as 200 mg. It comes in quantities ranging from as low as 20 pills to as high as 360 pills.
