Viagra

What is Viagra?

Viagra (sildenafil) relaxes muscles and increases blood flow to unique areas with the body.

Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in males. An additional brand of sildenafil is Revatio, that is utilised to treat pulmonary arterial hypertension and strengthen physical exercise capacity in women and men. Tend not to take Viagra even though also taking Revatio, unless your medical doctor tells you to.
Viagra might also be made use of for other purposes not listed in this medication guide.

Important facts about Viagra
Tend not to take Viagra when you are also using a nitrate drug for chest discomfort or heart challenges. 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 found in some recreational drugs which include amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine may cause a sudden and critical lower in blood pressure. For the duration of sexual activity, should you develop into dizzy or nauseated, or have pain, numbness, or tingling inside your chest, arms, neck, or jaw, quit and get in touch with your medical doctor instantly. You could be possessing a significant side impact of Viagra.
Do not take Viagra greater than when a day. Let 24 hours to pass in between doses. Speak to your physician or seek emergency healthcare attention if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can damage the penis.
Viagra can reduce blood flow towards the optic nerve on the eye, causing sudden vision loss. This has occurred inside a compact quantity of folks taking Viagra, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in individuals who smoke or are over 50 years old. It's not clear irrespective of whether Viagra is definitely the actual result in of vision loss.
Quit using Viagra and get emergency medical support when you have sudden vision loss.

Before taking Viagra
Don't take Viagra for anyone who is also utilizing a nitrate drug for chest discomfort or heart complications. 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 found in some recreational drugs for example amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine may cause a sudden and critical decrease in blood pressure.
To make confident you may safely take Viagra, inform your medical professional in case you have any of these other situations:
heart illness or heart rhythm problems;
a recent background (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, several myeloma, or leukemia;
a bleeding disorder for instance hemophilia;
a stomach ulcer;
retinitis pigmentosa (an inherited condition on the eye);
a physical deformity from the penis (such as Peyronie's illness); or
if you have been told you ought to not have sexual intercourse for well being reasons.

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Viagra can decrease blood flow for the optic nerve with the eye, causing sudden vision loss. This has occurred within a modest number of men and women taking Viagra, the majority of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or specific pre-existing eye problems, and in those that smoke or are more than 50 years old. It is not clear whether or not Viagra will be the actual lead to of vision loss. Quit applying Viagra and get emergency health-related assistance in case you have sudden vision loss.
FDA pregnancy category B: This medication is not expected to be harmful to an unborn child. Tend not to use Viagra without telling your medical professional when you are pregnant or plan to turn into pregnant in the course of treatment. It is not identified if sildenafil passes into breast milk or if it could harm a nursing infant. Don't use this medication with no telling your medical professional if you are breast-feeding a baby.
See also: Viagra pregnancy and breastfeeding warnings (in more detail)

How really should I take Viagra?
Take Viagra exactly as prescribed by your medical doctor. Tend not to take in bigger or smaller amounts or for longer than encouraged. Adhere to the directions on 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 four hours ahead of sexual activity. Tend not to take Viagra more than as soon as each day.
Viagra can help you may have an erection when sexual stimulation occurs. An erection will not take place just by taking a pill. Stick to your doctor's instructions.
Throughout sexual activity, for those who grow to be dizzy or nauseated, or have pain, numbness, or tingling inside your chest, arms, neck, or jaw, quit and contact your doctor instantly. You might be having a critical side effect of Viagra.
Retailer this medication at space temperature away from moisture and heat.
See also: Viagra dosage (in more detail)

What happens if I miss a dose?
Viagra is made use of as necessary, so you happen to be not most likely to become on a dosing schedule.

What happens if I overdose?
Seek emergency medical interest or contact the Poison Aid line at 1-800-222-1222. Overdose signs and symptoms may include things like chest discomfort, nausea, irregular heartbeat, and feeling light-headed or fainting.

What must I keep away from while taking Viagra?
Avoid drinking alcohol, which can boost several of the unwanted side effects of Viagra. Stay away from making use of other medicines to treat impotence, including alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), with out first talking to your medical doctor.

See also: Viagra and alcohol (in more detail)

Viagra side effects
Get emergency health-related help when you've got any of these indicators of an allergic reaction: hives; difficulty breathing; swelling of the face, lips, tongue, or throat. Throughout sexual activity, if you grow to be dizzy or nauseated, or have pain, numbness, or tingling inside your chest, arms, neck, or jaw, stop and contact your medical doctor immediately. You might be having a really serious side effect of Viagra.
Stop using Viagra and contact your physician at as soon as if you have a really serious side effect such as:
sudden vision loss;
ringing within your ears, or sudden hearing loss;
chest pain 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 which is painful or lasts 4 hours or longer.

Less severe Viagra unwanted effects may perhaps include:
warmth or redness in your face, neck, or chest;
stuffy nose;
headache;
memory problems;
upset stomach; or
back discomfort.

This really is not a comprehensive list of negative effects and other people may perhaps take place. Get in touch with your physician for medical advice about unwanted side effects. You might report unwanted effects to FDA at 1-800-FDA-1088.

See also: Viagra unwanted effects (in a lot more detail)

What other drugs will impact Viagra?
Tend not to take Viagra with related drugs including tadalafil (Cialis) or vardenafil (Levitra).
Don't take Viagra if you are also employing a nitrate drug for chest discomfort or heart challenges, 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").

Before taking Viagra, tell your medical professional about all other drugs you use for erectile dysfunction, or in case you are working with any of your following drugs:
bosentan (Tracleer);
cimetidine (Tagamet, Tagamet HB);
conivaptan (Vaprisol);
imatinib (Gleevec);
isoniazid (for treating tuberculosis);
rifampin (Rifadin, Rimactane, Rifater, Rifamate);
an antidepressant which include nefazodone;
an antibiotic for instance 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 for instance atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra).

This list is not comprehensive and there may very well be other drugs that will interact with Viagra. Inform your medical doctor about all of the prescription and over-the-counter medicines you use. This involves vitamins, minerals, herbal items, and drugs prescribed by other doctors. Do not start using a new medication with out telling your doctor.

Viagra