What is Viagra? Viagra (sildenafil) relaxes muscles and increases blood flow to specific locations of your body. Sildenafil below the name Viagra is utilized to treat erectile dysfunction (impotence) in men. Yet another brand of sildenafil is Revatio, that is used to treat pulmonary arterial hypertension and improve exercising capacity in women and men. Don't take Viagra although also taking Revatio, unless your medical professional tells you to. Viagra could also be utilised for other purposes not listed within this medication guide. Important information and facts about Viagra Usually do not take Viagra if you're also applying a nitrate drug for chest discomfort or heart complications. This involves 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 which include amyl nitrate or nitrite ("poppers"). Taking Viagra with a nitrate medicine can cause a sudden and significant decrease in blood pressure. During sexual activity, should you come to be dizzy or nauseated, or have discomfort, numbness, or tingling inside your chest, arms, neck, or jaw, cease and call your medical professional straight away. You can be having a critical side effect of Viagra. Usually do not take Viagra more than the moment every day. Allow 24 hours to pass amongst doses. Speak to your doctor or seek emergency health-related interest in case your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can harm the penis. Viagra can lower blood flow towards the optic nerve of your eye, causing sudden vision loss. This has occurred inside a modest number of men and women taking Viagra, most of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye issues, and in people that smoke or are over 50 years old. It isn't clear no matter if Viagra will be the actual bring about of vision loss. Cease making use of Viagra and get emergency medical assist for those who have sudden vision loss. Before taking Viagra Tend not to take Viagra should you be also employing a nitrate drug for chest discomfort or heart challenges. This involves 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 like amyl nitrate or nitrite ("poppers"). Taking Viagra using a nitrate medicine may cause a sudden and critical decrease in blood pressure. To create sure you can safely take Viagra, tell your doctor if you have any of those other circumstances: heart illness or heart rhythm troubles; a current history (in the past 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, a number of myeloma, or leukemia; a bleeding disorder such as hemophilia; a stomach ulcer; retinitis pigmentosa (an inherited condition on the eye); a physical deformity from the penis (for example Peyronie's illness); or for those who have been told you should not have sexual intercourse for wellness reasons. viagra and birth control Viagra can reduce blood flow for the optic nerve with the eye, causing sudden vision loss. This has occurred inside a small number of people today taking Viagra, the majority of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or particular pre-existing eye troubles, and in those that smoke or are more than 50 years old. It is not clear no matter if Viagra will be the actual bring about of vision loss. Stop utilizing Viagra and get emergency healthcare assist in case you have sudden vision loss. FDA pregnancy category B: This medication is not expected to be harmful to an unborn child. Do not use Viagra with no telling your physician when you are pregnant or program to turn into pregnant during remedy. It isn't recognized if sildenafil passes into breast milk or if it could harm a nursing baby. Do not use this medication without having telling your doctor if you're breast-feeding a child. See also: Viagra pregnancy and breastfeeding warnings (in extra detail) How need to I take Viagra? Take Viagra specifically as prescribed by your medical doctor. Do not take in bigger or smaller amounts or for longer than encouraged. Stick to the directions on your prescription label. Viagra is usually taken only when required, 30 minutes to 1 hour before sexual activity. You might take it up to four hours ahead of sexual activity. Don't take Viagra more than when every day. Viagra can help you've an erection when sexual stimulation happens. An erection won't occur just by taking a pill. Comply with your doctor's instructions. For the duration of sexual activity, for those who grow to be dizzy or nauseated, or have pain, numbness, or tingling within your chest, arms, neck, or jaw, stop and get in touch with your physician instantly. You could be getting a critical side impact of Viagra. Retailer this medication at space temperature away from moisture and heat. See also: Viagra dosage (in more detail) What occurs if I miss a dose? Viagra is utilized as required, so that you are not likely to be on a dosing schedule. What happens if I overdose? Seek emergency medical attention or call the Poison Help line at 1-800-222-1222. Overdose signs and symptoms may possibly involve chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting. What really should I steer clear of while taking Viagra? Steer clear of drinking alcohol, which can raise a number of the negative effects of Viagra. Stay away from making use of other medicines to treat impotence, such as alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, other individuals), devoid of very first speaking to your medical professional. See also: Viagra and alcohol (in much more detail) Viagra side effects Get emergency medical support when you've got any of these signs of an allergic reaction: hives; difficulty breathing; swelling of one's face, lips, tongue, or throat. During sexual activity, for those who turn into dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and contact your doctor immediately. You can be acquiring a severe side impact of Viagra. Cease utilizing Viagra and contact your physician at after in case you have a significant side effect which include: sudden vision loss; ringing in your ears, or sudden hearing loss; chest discomfort or heavy feeling, discomfort spreading for the arm or shoulder, nausea, sweating, general ill feeling; irregular heartbeat; swelling in your hands, ankles, or feet; shortness of breath; vision modifications; feeling light-headed, fainting; or penis erection that may be painful or lasts four hours or longer. Less significant Viagra unwanted effects may perhaps include things like: warmth or redness within your face, neck, or chest; stuffy nose; headache; memory complications; upset stomach; or back pain. This can be not a comprehensive list of side effects and other people may perhaps take place. Contact your physician for healthcare suggestions about unwanted side effects. You might report unwanted effects to FDA at 1-800-FDA-1088. See also: Viagra negative effects (in a lot more detail) What other drugs will affect Viagra? Do not take Viagra with equivalent medicines including tadalafil (Cialis) or vardenafil (Levitra). Do not take Viagra when you are also making use of a nitrate drug for chest discomfort or heart problems, which includes 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 such as amyl nitrate or nitrite ("poppers"). Just before taking Viagra, tell your medical doctor about all other drugs you use for erectile dysfunction, or for anyone who is utilizing any on the following medications: 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 which include clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole) or telithromycin (Ketek); antifungal medication such as 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 which include 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 which can interact with Viagra. Tell your physician about all the prescription and over-the-counter medications you use. This incorporates vitamins, minerals, herbal solutions, and drugs prescribed by other doctors. Do not start out making use of a new medication with out telling your medical doctor. Viagra