What is Viagra? Viagra (sildenafil) relaxes muscles and increases blood flow to certain locations of the body. Sildenafil beneath the name Viagra is used to treat erectile dysfunction (impotence) in men. Yet another brand of sildenafil is Revatio, that is utilized to treat pulmonary arterial hypertension and strengthen exercising capacity in women and men. Usually do not take Viagra while also taking Revatio, unless your medical professional tells you to. Viagra might also be made use of for other purposes not listed in this medication guide. Important details about Viagra Usually do not take Viagra in case you are also utilizing a nitrate drug for chest discomfort or heart difficulties. 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 discovered in some recreational drugs such as amyl nitrate or nitrite ("poppers"). Taking Viagra using a nitrate medicine may cause a sudden and significant lower in blood pressure. Through sexual activity, if you turn out to be dizzy or nauseated, or have discomfort, numbness, or tingling in your chest, arms, neck, or jaw, stop and get in touch with your medical doctor straight away. You may be acquiring a serious side impact of Viagra. Don't take Viagra more than after each day. Let 24 hours to pass between doses. Contact your doctor or seek emergency healthcare consideration if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis. Viagra can reduce blood flow for the optic nerve in the eye, causing sudden vision loss. This has occurred inside a small quantity of people taking Viagra, most of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or specific pre-existing eye problems, and in people that smoke or are more than 50 years old. It isn't clear no matter whether Viagra may be the actual result in of vision loss. Stop using Viagra and get emergency healthcare enable in case you have sudden vision loss. Before taking Viagra Usually do not take Viagra if you are also using a nitrate drug for chest pain or heart troubles. This consists of 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 instance amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine can cause a sudden and really serious reduce in blood pressure. To produce sure you could safely take Viagra, tell your medical professional when you've got any of these other conditions: heart disease or heart rhythm troubles; a recent background (in the past 6 months) of a heart attack, stroke, or congestive heart failure; high or low blood pressure; coronary artery disease; liver or kidney diseas; a blood cell disorder which include sickle cell anemia, numerous myeloma, or leukemia; a bleeding disorder which include hemophilia; a stomach ulcer; retinitis pigmentosa (an inherited condition from the eye); a physical deformity in the penis (such as Peyronie's illness); or when you have been told you'll want to not have sexual intercourse for wellness factors. viagra blue genuine Viagra can decrease blood flow for the optic nerve with the eye, causing sudden vision loss. This has occurred within a little number 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 people that smoke or are over 50 years old. It is not clear irrespective of whether Viagra could be the actual result in of vision loss. Stop utilizing Viagra and get emergency healthcare support for those who have sudden vision loss. FDA pregnancy category B: This medication will not be expected to be dangerous to an unborn baby. Don't use Viagra with out telling your medical professional when you are pregnant or program to come to be pregnant throughout therapy. It's not identified if sildenafil passes into breast milk or if it could harm a nursing baby. Usually do not use this medication with out telling your physician when you are breast-feeding a child. See also: Viagra pregnancy and breastfeeding warnings (in more detail) How should really I take Viagra? Take Viagra specifically as prescribed by your doctor. Don't take in bigger or smaller amounts or for longer than suggested. Adhere to the directions on your prescription label. Viagra is normally taken only when required, 30 minutes to 1 hour before sexual activity. You might take it up to four hours ahead of sexual activity. Do not take Viagra greater than after per day. Viagra might help you have got an erection when sexual stimulation occurs. An erection won't happen just by taking a pill. Stick to your doctor's directions. Throughout sexual activity, when you develop into dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and get in touch with your medical professional straight away. You can be possessing a severe side effect of Viagra. Store this medication at room temperature away from moisture and heat. See also: Viagra dosage (in a lot more detail) What occurs if I miss a dose? Viagra is utilised as necessary, so you happen to be not likely to be on a dosing schedule. What takes place if I overdose? Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose symptoms may possibly contain chest discomfort, nausea, irregular heartbeat, and feeling light-headed or fainting. What really should I prevent whilst taking Viagra? Stay away from drinking alcohol, which can raise several of the unwanted side effects of Viagra. Stay away from working with other medicines to treat impotence, which include alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, other people), devoid of initial speaking for your doctor. See also: Viagra and alcohol (in a lot more detail) Viagra side effects Get emergency health-related support if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of one's face, lips, tongue, or throat. For the duration of sexual activity, should you develop into dizzy or nauseated, or have pain, numbness, or tingling within your chest, arms, neck, or jaw, cease and contact your medical professional immediately. You could be obtaining a severe side effect of Viagra. Quit employing Viagra and call your physician at when in case you have a serious side impact which include: sudden vision loss; ringing within your ears, or sudden hearing loss; chest pain or heavy feeling, discomfort spreading to the arm or shoulder, nausea, sweating, general ill feeling; irregular heartbeat; swelling inside your hands, ankles, or feet; shortness of breath; vision changes; feeling light-headed, fainting; or penis erection that is painful or lasts 4 hours or longer. Less significant Viagra side effects may involve: warmth or redness in your face, neck, or chest; stuffy nose; headache; memory issues; upset stomach; or back pain. This can be not a full list of unwanted effects and other individuals may well occur. Call your medical doctor for healthcare guidance about unwanted effects. You may report side effects to FDA at 1-800-FDA-1088. See also: Viagra negative effects (in extra detail) What other drugs will affect Viagra? Do not take Viagra with equivalent medicines like tadalafil (Cialis) or vardenafil (Levitra). Usually do not take Viagra in case you are also utilizing a nitrate drug for chest discomfort 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, tell your physician about all other medicines you use for erectile dysfunction, or should you be using any from the following medicines: bosentan (Tracleer); cimetidine (Tagamet, Tagamet HB); conivaptan (Vaprisol); imatinib (Gleevec); isoniazid (for treating tuberculosis); rifampin (Rifadin, Rimactane, Rifater, Rifamate); an antidepressant for instance nefazodone; an antibiotic for example clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole) or telithromycin (Ketek); antifungal medication like itraconazole (Sporanox), ketoconazole (Nizoral), miconazole (Oravig), or voriconazole (Vfend); heart or blood pressure medication including diltiazem (Cardizem, Dilacor, Tiazac), doxazosin (Cardura), nicardipine (Cardene), quinidine (Quin-G), or verapamil (Calan, Covera, Isoptin, Verelan); or HIV/AIDS medicine for instance atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra). This list will not be complete and there could be other drugs that may interact with Viagra. Inform your medical doctor about all the prescription and over-the-counter medications you use. This involves vitamins, minerals, herbal merchandise, and drugs prescribed by other medical doctors. Usually do not start out employing a new medication with out telling your physician. Viagra