<b>What is Viagra?</b>
Viagra (sildenafil) relaxes muscles and increases blood flow to particular places from the body.
Sildenafil beneath the name Viagra is employed to treat erectile dysfunction (impotence) in guys. One more brand of sildenafil is Revatio, which can be employed to treat pulmonary arterial hypertension and enhance workout capacity in women and men. Tend not to take Viagra whilst also taking Revatio, unless your doctor tells you to.
Viagra could also be used for other purposes not listed in this medication guide.
<b>Important information and facts about Viagra</b>
Do not take Viagra should you be also employing a nitrate drug for chest discomfort or heart troubles. This consists of nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and other individuals), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also identified in some recreational drugs like amyl nitrate or nitrite ("poppers"). Taking Viagra using a nitrate medicine can cause a sudden and critical decrease in blood pressure. In the course of sexual activity, should you become dizzy or nauseated, or have discomfort, numbness, or tingling within your chest, arms, neck, or jaw, stop and call your medical professional straight away. You can be having a really serious side effect of Viagra.
Do not take Viagra greater than once each day. Allow 24 hours to pass between doses. Contact your medical doctor or seek emergency healthcare attention if your erection is painful or lasts longer than four hours. A prolonged erection (priapism) can damage the penis.
Viagra can reduce blood flow for the optic nerve of the eye, causing sudden vision loss. This has occurred in a tiny number of persons taking Viagra, most of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or particular pre-existing eye troubles, and in people that smoke or are over 50 years old. It is not clear irrespective of whether Viagra is the actual result in of vision loss.
Cease employing Viagra and get emergency health-related help for those who have sudden vision loss.
<b>Before taking Viagra</b>
Tend not to take Viagra if you are also utilizing a nitrate drug for chest discomfort or heart problems. This involves 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 such as amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine may cause a sudden and critical lower in blood pressure.
To create positive you are able to safely take Viagra, tell your physician if you have any of those other conditions:
heart disease or heart rhythm troubles;
a current history (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 for example sickle cell anemia, numerous myeloma, or leukemia;
a bleeding disorder like hemophilia;
a stomach ulcer;
retinitis pigmentosa (an inherited situation on the eye);
a physical deformity on the penis (including Peyronie's disease); or
when you have been told you must not have sexual intercourse for health causes.
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Viagra can reduce blood flow for the optic nerve of the eye, causing sudden vision loss. This has occurred inside a modest quantity of folks taking Viagra, most of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye challenges, and in those that smoke or are more than 50 years old. It's not clear irrespective of whether Viagra would be the actual cause of vision loss. Stop using Viagra and get emergency health-related assist should you have sudden vision loss.
FDA pregnancy category B: This medication is just not expected to be harmful to an unborn child. Don't use Viagra without having telling your physician when you are pregnant or plan to come to be pregnant throughout remedy. It's not recognized if sildenafil passes into breast milk or if it could harm a nursing child. Do not use this medication devoid of telling your doctor if you are breast-feeding a baby.
See also: Viagra pregnancy and breastfeeding warnings (in extra detail)
<b>How ought to I take Viagra?</b>
Take Viagra exactly as prescribed by your medical doctor. Usually do not take in larger or smaller amounts or for longer than suggested. Stick to the directions in your prescription label.
Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You could possibly take it up to four hours prior to sexual activity. Don't take Viagra greater than the moment each day.
Viagra can help you might have an erection when sexual stimulation happens. An erection is not going to take place just by taking a pill. Comply with your doctor's directions.
Throughout sexual activity, in the event you come to be dizzy or nauseated, or have discomfort, numbness, or tingling inside your chest, arms, neck, or jaw, quit and call your physician straight away. You can be having a really serious side impact of Viagra.
Retailer this medication at space temperature away from moisture and heat.
See also: Viagra dosage (in far more detail)
<b>What takes place if I miss a dose?</b>
Viagra is made use of as required, so that you are not most likely to become on a dosing schedule.
<b>What happens if I overdose?</b>
Seek emergency healthcare interest or get in touch with the Poison Aid line at 1-800-222-1222. Overdose signs and symptoms may consist of chest discomfort, nausea, irregular heartbeat, and feeling light-headed or fainting.
<b>What must I prevent even though taking Viagra?</b>
Keep away from drinking alcohol, which can boost some of the side effects of Viagra. Prevent working with other medicines to treat impotence, for instance alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, other individuals), devoid of initially talking to your physician.
See also: Viagra and alcohol (in much more detail)
<b>Viagra side effects</b>
Get emergency healthcare assist if you have any of those indicators of an allergic reaction: hives; difficulty breathing; swelling of the face, lips, tongue, or throat. For the duration of sexual activity, in the event you come to be dizzy or nauseated, or have pain, numbness, or tingling inside your chest, arms, neck, or jaw, cease and contact your physician immediately. You can be acquiring a really serious side impact of Viagra.
Quit working with Viagra and contact your medical professional at after when you have a critical side effect for instance:
sudden vision loss;
ringing in your ears, or sudden hearing loss;
chest pain or heavy feeling, discomfort spreading for the arm or shoulder, nausea, sweating, general ill feeling;
swelling in your hands, ankles, or feet;
shortness of breath;
feeling light-headed, fainting; or
penis erection that's painful or lasts four hours or longer.
<b>Less critical Viagra side effects could consist of:</b>
warmth or redness within your face, neck, or chest;
upset stomach; or
This can be not a total list of unwanted effects and other people might happen. Get in touch with your medical doctor for healthcare assistance about negative effects. You may report unwanted effects to FDA at 1-800-FDA-1088.
See also: Viagra side effects (in extra detail)
<b>What other drugs will influence Viagra?</b>
Do not take Viagra with related drugs for example tadalafil (Cialis) or vardenafil (Levitra).
Usually do not take Viagra should you be also applying a nitrate drug for chest pain or heart troubles, like 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 like amyl nitrate or nitrite ("poppers").
Prior to taking Viagra, inform your medical professional about all other medicines you use for erectile dysfunction, or when you are applying any with the following drugs:
cimetidine (Tagamet, Tagamet HB);
isoniazid (for treating tuberculosis);
rifampin (Rifadin, Rimactane, Rifater, Rifamate);
an antidepressant like nefazodone;
an antibiotic including clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole) or telithromycin (Ketek);
antifungal medication for example 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 including atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra).
This list just isn't comprehensive and there can be other drugs which will interact with Viagra. Inform your physician about all of the prescription and over-the-counter medicines you use. This consists of vitamins, minerals, herbal goods, and drugs prescribed by other medical doctors. Tend not to start out utilizing a brand new medication with no telling your medical professional.