What is Viagra? Viagra (sildenafil) relaxes muscles and increases blood flow to unique areas of your physique. Sildenafil below the name Viagra is used to treat erectile dysfunction (impotence) in men. A different brand of sildenafil is Revatio, that is used to treat pulmonary arterial hypertension and boost physical exercise capacity in women and men. Do not take Viagra even though also taking Revatio, unless your physician tells you to. Viagra may well also be utilized for other purposes not listed within this medication guide. Important facts about Viagra Usually do not take Viagra for anyone who is also using a nitrate drug for chest pain or heart challenges. This incorporates nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and other people), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also located in some recreational drugs for example amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine can cause a sudden and severe lower in blood pressure. Throughout sexual activity, should you turn out to be dizzy or nauseated, or have discomfort, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your medical professional straight away. You could be having a significant side impact of Viagra. Don't take Viagra greater than when per day. Enable 24 hours to pass between doses. Get in touch with your physician or seek emergency medical attention in case your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis. Viagra can lower blood flow for the optic nerve with the eye, causing sudden vision loss. This has occurred in a small quantity of persons taking Viagra, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye complications, and in those who smoke or are over 50 years old. It is not clear whether or not Viagra could be the actual trigger of vision loss. Quit utilizing Viagra and get emergency medical enable when you have sudden vision loss. Before taking Viagra Don't take Viagra for anyone who is also making use of a nitrate drug for chest pain or heart troubles. This contains nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and other people), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite ("poppers"). Taking Viagra with a nitrate medicine may cause a sudden and serious reduce in blood pressure. To create confident you could safely take Viagra, inform your physician when you've got any of these other situations: heart illness or heart rhythm troubles; a recent background (previously 6 months) of a heart attack, stroke, or congestive heart failure; high or low blood pressure; coronary artery illness; liver or kidney diseas; a blood cell disorder such as sickle cell anemia, various myeloma, or leukemia; a bleeding disorder including hemophilia; a stomach ulcer; retinitis pigmentosa (an inherited condition in the eye); a physical deformity on the penis (which include Peyronie's disease); or when you have been told you ought to not have sexual intercourse for health causes. viagra online us news Viagra can lower blood flow to the optic nerve with the eye, causing sudden vision loss. This has occurred in a smaller quantity of people taking Viagra, the majority of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye difficulties, and in those who smoke or are over 50 years old. It's not clear whether Viagra may be the actual result in of vision loss. Quit utilizing Viagra and get emergency medical help when you've got sudden vision loss. FDA pregnancy category B: This medication is not expected to become harmful to an unborn child. Tend not to use Viagra without telling your medical doctor in case you are pregnant or program to turn out to be pregnant in the course of remedy. It's not identified if sildenafil passes into breast milk or if it could harm a nursing baby. Don't use this medication without having telling your medical doctor if you're breast-feeding a baby. See also: Viagra pregnancy and breastfeeding warnings (in far more detail) How really should I take Viagra? Take Viagra exactly as prescribed by your physician. Tend not to take in larger or smaller amounts or for longer than advised. Comply with the directions in your prescription label. Viagra is usually taken only when needed, 30 minutes to 1 hour just before sexual activity. You could possibly take it as much as 4 hours just before sexual activity. Usually do not take Viagra greater than after per day. Viagra might help you have got an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Comply with your doctor's directions. In the course of sexual activity, if you develop into dizzy or nauseated, or have discomfort, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your medical professional right away. You could be getting a severe side impact of Viagra. Store this medication at room temperature away from moisture and heat. See also: Viagra dosage (in extra detail) What takes place if I miss a dose? Viagra is utilized as necessary, so you are not most likely to become on a dosing schedule. What takes place if I overdose? Seek emergency medical consideration or call the Poison Enable line at 1-800-222-1222. Overdose signs and symptoms may include chest discomfort, nausea, irregular heartbeat, and feeling light-headed or fainting. What should I avoid whilst taking Viagra? Prevent drinking alcohol, which can boost many of the unwanted effects of Viagra. Prevent applying other medicines to treat impotence, for instance alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, other individuals), without first talking for your physician. See also: Viagra and alcohol (in far more detail) Viagra side effects Get emergency health-related assistance for those who have any of those signs of an allergic reaction: hives; difficulty breathing; swelling of one's face, lips, tongue, or throat. In the course of sexual activity, in the event you turn out to be dizzy or nauseated, or have discomfort, numbness, or tingling inside your chest, arms, neck, or jaw, quit and call your medical professional right away. You could be obtaining a critical side impact of Viagra. Stop making use of Viagra and contact your medical professional at as soon as when you have a really serious side impact for instance: sudden vision loss; ringing inside your ears, or sudden hearing loss; chest discomfort or heavy feeling, discomfort spreading for the arm or shoulder, nausea, sweating, common ill feeling; irregular heartbeat; swelling within your hands, ankles, or feet; shortness of breath; vision changes; feeling light-headed, fainting; or penis erection that may be painful or lasts four hours or longer. Less significant Viagra unwanted side effects could consist of: warmth or redness in your face, neck, or chest; stuffy nose; headache; memory complications; upset stomach; or back pain. This is not a complete list of negative effects and others might happen. Call your medical doctor for medical guidance about unwanted side effects. You could possibly report side effects to FDA at 1-800-FDA-1088. See also: Viagra unwanted side effects (in much more detail) What other drugs will impact Viagra? Usually do not take Viagra with comparable medications such as tadalafil (Cialis) or vardenafil (Levitra). Don't take Viagra if you are also utilizing a nitrate drug for chest pain or heart complications, such as 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 for example amyl nitrate or nitrite ("poppers"). Before taking Viagra, inform your medical doctor about all other medications you use for erectile dysfunction, or when you are using any from the following drugs: bosentan (Tracleer); cimetidine (Tagamet, Tagamet HB); conivaptan (Vaprisol); imatinib (Gleevec); isoniazid (for treating tuberculosis); rifampin (Rifadin, Rimactane, Rifater, Rifamate); an antidepressant like nefazodone; an antibiotic such as clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole) or telithromycin (Ketek); antifungal medication for instance itraconazole (Sporanox), ketoconazole (Nizoral), miconazole (Oravig), or voriconazole (Vfend); heart or blood pressure medication for instance diltiazem (Cardizem, Dilacor, Tiazac), doxazosin (Cardura), nicardipine (Cardene), quinidine (Quin-G), or verapamil (Calan, Covera, Isoptin, Verelan); or HIV/AIDS medicine like atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra). This list will not be comprehensive and there might be other drugs that will interact with Viagra. Inform your physician about all the prescription and over-the-counter drugs you use. This involves vitamins, minerals, herbal solutions, and drugs prescribed by other physicians. Don't begin using a brand new medication with out telling your doctor. Viagra