What is Viagra? Viagra (sildenafil) relaxes muscles and increases blood flow to unique places with the physique. Sildenafil under the name Viagra is applied to treat erectile dysfunction (impotence) in men. A different brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and enhance exercising capacity in women and men. Usually do not take Viagra while also taking Revatio, unless your medical professional tells you to. Viagra could also be utilized for other purposes not listed within this medication guide. Important information and facts about Viagra Tend not to take Viagra should you be also making use of a nitrate drug for chest discomfort or heart problems. This contains nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also discovered in some recreational drugs like amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine can cause a sudden and severe decrease in blood pressure. During sexual activity, in case you grow to be dizzy or nauseated, or have pain, numbness, or tingling inside your chest, arms, neck, or jaw, stop and call your medical professional immediately. You can be acquiring a really serious side impact of Viagra. Usually do not take Viagra more than after each day. Allow 24 hours to pass among doses. Contact your doctor or seek emergency health-related consideration if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can harm the penis. Viagra can reduce blood flow towards the optic nerve of your eye, causing sudden vision loss. This has occurred inside a modest quantity of individuals taking Viagra, most of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye complications, and in those who smoke or are more than 50 years old. It is not clear no matter if Viagra would be the actual trigger of vision loss. Stop making use of Viagra and get emergency healthcare assist in case you have sudden vision loss. Before taking Viagra Do not take Viagra in case you are also making use of 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 found in some recreational drugs for instance amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine may cause a sudden and serious reduce in blood pressure. To produce certain you can safely take Viagra, tell your medical professional in case you have any of those other situations: heart disease or heart rhythm challenges; a current history (previously 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 for example sickle cell anemia, many myeloma, or leukemia; a bleeding disorder which include hemophilia; a stomach ulcer; retinitis pigmentosa (an inherited condition in the eye); a physical deformity on the penis (for example Peyronie's disease); or when you have been told it is best to not have sexual intercourse for wellness reasons. prescribe viagra Viagra can decrease blood flow towards the optic nerve on the eye, causing sudden vision loss. This has occurred in a small number of people today taking Viagra, the majority of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or specific pre-existing eye difficulties, and in those that smoke or are over 50 years old. It's not clear regardless of whether Viagra will be the actual cause of vision loss. Stop working with Viagra and get emergency healthcare help for those who have sudden vision loss. FDA pregnancy category B: This medication will not be expected to be damaging to an unborn baby. Don't use Viagra devoid of telling your medical doctor in case you are pregnant or strategy to become pregnant through treatment. It's not known if sildenafil passes into breast milk or if it could harm a nursing baby. Usually do not use this medication without telling your physician if you are breast-feeding a baby. See also: Viagra pregnancy and breastfeeding warnings (in more detail) How need to I take Viagra? Take Viagra exactly as prescribed by your doctor. Do not take in bigger or smaller amounts or for longer than suggested. Adhere to the directions in your prescription label. Viagra is generally taken only when required, 30 minutes to 1 hour prior to sexual activity. You could possibly take it up to 4 hours prior to sexual activity. Usually do not take Viagra greater than after each day. Viagra can 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. For the duration of sexual activity, for those who grow to be dizzy or nauseated, or have discomfort, numbness, or tingling within your chest, arms, neck, or jaw, cease and get in touch with your physician straight away. You could be acquiring a critical side effect of Viagra. Shop this medication at space temperature away from moisture and heat. See also: Viagra dosage (in far more detail) What happens if I miss a dose? Viagra is utilised as required, so you're not likely to be on a dosing schedule. What occurs if I overdose? Seek emergency healthcare interest or call the Poison Assistance line at 1-800-222-1222. Overdose symptoms might consist of chest discomfort, nausea, irregular heartbeat, and feeling light-headed or fainting. What ought to I prevent even though taking Viagra? Stay away from drinking alcohol, which can raise a number of the negative effects of Viagra. Keep away from employing other medicines to treat impotence, including alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), with no initially speaking to your medical professional. See also: Viagra and alcohol (in extra detail) Viagra side effects Get emergency medical assist when you've got any of those signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Through sexual activity, if you grow to be dizzy or nauseated, or have discomfort, numbness, or tingling in your chest, arms, neck, or jaw, quit and call your doctor right away. You can be having a really serious side impact of Viagra. Cease applying Viagra and get in touch with your doctor at when should you have a really serious side effect for instance: sudden vision loss; ringing in your ears, or sudden hearing loss; chest discomfort or heavy feeling, discomfort spreading to the arm or shoulder, nausea, sweating, common ill feeling; irregular heartbeat; swelling within your hands, ankles, or feet; shortness of breath; vision adjustments; feeling light-headed, fainting; or penis erection that is painful or lasts 4 hours or longer. Less significant Viagra side effects may possibly incorporate: warmth or redness in your face, neck, or chest; stuffy nose; headache; memory problems; upset stomach; or back discomfort. This is not a complete list of unwanted side effects and other individuals may perhaps occur. Contact your medical doctor for medical advice about negative effects. You may report side effects to FDA at 1-800-FDA-1088. See also: Viagra unwanted side effects (in extra detail) What other drugs will influence Viagra? Do not take Viagra with similar medications including tadalafil (Cialis) or vardenafil (Levitra). Don't take Viagra if you are also working with a nitrate drug for chest pain or heart complications, 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 for example amyl nitrate or nitrite ("poppers"). Before taking Viagra, tell your medical professional about all other medications you use for erectile dysfunction, or when you are employing any with the following medications: 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 like 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 like 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 isn't comprehensive and there may very well be other drugs that may interact with Viagra. Tell your medical professional about all of the prescription and over-the-counter medicines you use. This contains vitamins, minerals, herbal products, and drugs prescribed by other medical doctors. Usually do not start working with a new medication devoid of telling your medical professional. Viagra