Viagra

What is Viagra?

Viagra (sildenafil) relaxes muscles and increases blood flow to certain regions with the physique.

Sildenafil below the name Viagra is used to treat erectile dysfunction (impotence) in guys. An additional brand of sildenafil is Revatio, which is made use of to treat pulmonary arterial hypertension and enhance workout capacity in men and women. Usually do not take Viagra whilst also taking Revatio, unless your medical doctor tells you to.
Viagra might also be applied for other purposes not listed within this medication guide.

Important data about Viagra
Tend not to take Viagra in case you are also working with a nitrate drug for chest pain or heart issues. This includes nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, and others), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket). Nitrates are also located in some recreational drugs including amyl nitrate or nitrite ("poppers"). Taking Viagra using a nitrate medicine may cause a sudden and serious reduce in blood pressure. For the duration of sexual activity, in the event you turn into dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, quit and contact your doctor right away. You could be getting a critical side impact of Viagra.
Don't take Viagra greater than when each day. Let 24 hours to pass amongst doses. Contact your physician or seek emergency health-related interest if your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can harm the penis.
Viagra can decrease blood flow to the optic nerve with the eye, causing sudden vision loss. This has occurred inside a modest number of folks taking Viagra, the majority of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or specific pre-existing eye troubles, and in individuals who smoke or are more than 50 years old. It isn't clear whether Viagra is definitely the actual cause of vision loss.
Quit working with Viagra and get emergency medical assistance when you have sudden vision loss.

Before taking Viagra
Tend not to take Viagra if you're also applying a nitrate drug for chest pain or heart troubles. 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 using a nitrate medicine may cause a sudden and serious decrease in blood pressure.
To produce certain you'll be able to safely take Viagra, tell your doctor when you've got any of these other circumstances:
heart illness or heart rhythm complications;
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 such as sickle cell anemia, many myeloma, or leukemia;
a bleeding disorder which include hemophilia;
a stomach ulcer;
retinitis pigmentosa (an inherited situation of the eye);
a physical deformity of your penis (such as Peyronie's disease); or
in case you have been told it is best to not have sexual intercourse for wellness causes.

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Viagra can lower blood flow for the optic nerve from the eye, causing sudden vision loss. This has occurred within a tiny number of folks taking Viagra, the majority of whom also had heart illness, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old. It's not clear whether Viagra would be the actual bring about of vision loss. Stop using Viagra and get emergency medical assistance in case you have sudden vision loss.
FDA pregnancy category B: This medication will not be expected to be dangerous to an unborn infant. Do not use Viagra without telling your doctor for anyone who is pregnant or plan to come to be pregnant throughout remedy. It isn't known if sildenafil passes into breast milk or if it could harm a nursing infant. Don't use this medication with out telling your medical doctor for anyone who is breast-feeding a baby.
See also: Viagra pregnancy and breastfeeding warnings (in extra detail)

How really should I take Viagra?
Take Viagra specifically as prescribed by your physician. Don't take in larger or smaller amounts or for longer than encouraged. Comply with the directions in your prescription label.
Viagra is generally taken only when required, 30 minutes to 1 hour prior to sexual activity. You could take it up to 4 hours just before sexual activity. Do not take Viagra more than after each day.
Viagra can help you've got an erection when sexual stimulation occurs. An erection will not take place just by taking a pill. Adhere to your doctor's directions.
In the course of sexual activity, when you grow to be dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, cease and contact your doctor straight away. You can be having a serious side effect of Viagra.
Retailer this medication at room temperature away from moisture and heat.
See also: Viagra dosage (in extra detail)

What occurs if I miss a dose?
Viagra is made use of as needed, so you will be not likely to be on a dosing schedule.

What takes place if I overdose?
Seek emergency healthcare interest or get in touch with the Poison Support line at 1-800-222-1222. Overdose symptoms could include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting.

What should I stay away from when taking Viagra?
Prevent drinking alcohol, which can raise some of the negative effects of Viagra. Steer clear of utilizing other medicines to treat impotence, for example alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), with out initial speaking to your medical professional.

See also: Viagra and alcohol (in far more detail)

Viagra side effects
Get emergency healthcare help for those who have any of these indicators of an allergic reaction: hives; difficulty breathing; swelling of one's face, lips, tongue, or throat. For the duration of sexual activity, in case you develop into dizzy or nauseated, or have pain, numbness, or tingling within your chest, arms, neck, or jaw, stop and get in touch with your medical doctor immediately. You might be getting a really serious side effect of Viagra.
Cease using Viagra and contact your medical professional at the moment when you have a critical side effect including:
sudden vision loss;
ringing within your ears, or sudden hearing loss;
chest pain or heavy feeling, discomfort spreading towards the arm or shoulder, nausea, sweating, general ill feeling;
irregular heartbeat;
swelling inside your hands, ankles, or feet;
shortness of breath;
vision modifications;
feeling light-headed, fainting; or
penis erection which is painful or lasts four hours or longer.

Less really serious Viagra unwanted effects may possibly incorporate:
warmth or redness within your face, neck, or chest;
stuffy nose;
headache;
memory troubles;
upset stomach; or
back discomfort.

This can be not a comprehensive list of unwanted effects and others could take place. Contact your physician for health-related assistance about negative effects. You might report side effects to FDA at 1-800-FDA-1088.

See also: Viagra negative effects (in extra detail)

What other drugs will impact Viagra?
Usually do not take Viagra with related medicines for instance tadalafil (Cialis) or vardenafil (Levitra).
Do not take Viagra should you be also applying a nitrate drug for chest pain or heart troubles, 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").

Just before taking Viagra, tell your physician about all other medicines you use for erectile dysfunction, or should you be applying any of your following medicines:
bosentan (Tracleer);
cimetidine (Tagamet, Tagamet HB);
conivaptan (Vaprisol);
imatinib (Gleevec);
isoniazid (for treating tuberculosis);
rifampin (Rifadin, Rimactane, Rifater, Rifamate);
an antidepressant including nefazodone;
an antibiotic for instance clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole) or telithromycin (Ketek);
antifungal medication including itraconazole (Sporanox), ketoconazole (Nizoral), miconazole (Oravig), or voriconazole (Vfend);
heart or blood pressure medication for instance 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 is not comprehensive and there might be other drugs which can interact with Viagra. Tell your medical professional about all of the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal merchandise, and drugs prescribed by other physicians. Usually do not start using a new medication with out telling your physician.

Viagra