Viagra

What is Viagra?

Viagra (sildenafil) relaxes muscles and increases blood flow to unique locations in the physique.

Sildenafil beneath the name Viagra is employed to treat erectile dysfunction (impotence) in males. An additional brand of sildenafil is Revatio, which is employed to treat pulmonary arterial hypertension and strengthen physical exercise capacity in women and men. Usually do not take Viagra though also taking Revatio, unless your physician tells you to.
Viagra may perhaps also be employed for other purposes not listed within this medication guide.

Important info about Viagra
Don't take Viagra should you be also working with a nitrate drug for chest pain or heart problems. This incorporates 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 instance amyl nitrate or nitrite ("poppers"). Taking Viagra having a nitrate medicine can cause a sudden and really serious lower in blood pressure. During sexual activity, should you become dizzy or nauseated, or have discomfort, numbness, or tingling in your chest, arms, neck, or jaw, quit and contact your doctor instantly. You might be having a severe side effect of Viagra.
Tend not to take Viagra more than once every day. Enable 24 hours to pass in between doses. Contact your physician or seek emergency health-related attention in case 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 with the eye, causing sudden vision loss. This has occurred within a small number of men and women taking Viagra, the majority of whom also had heart disease, 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 isn't clear no matter whether Viagra may be the actual cause of vision loss.
Quit using Viagra and get emergency health-related help for those who have sudden vision loss.

Before taking Viagra
Usually do not take Viagra for anyone who is also utilizing a nitrate drug for chest discomfort or heart troubles. 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 for example amyl nitrate or nitrite ("poppers"). Taking Viagra with a nitrate medicine can cause a sudden and critical decrease in blood pressure.
To produce confident you can safely take Viagra, inform your medical doctor when you have any of these other conditions:
heart illness or heart rhythm troubles;
a recent background (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 like sickle cell anemia, numerous myeloma, or leukemia;
a bleeding disorder including hemophilia;
a stomach ulcer;
retinitis pigmentosa (an inherited condition from the eye);
a physical deformity of the penis (which include Peyronie's illness); or
for those who have been told you must not have sexual intercourse for health factors.

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Viagra can lower blood flow for the optic nerve of the eye, causing sudden vision loss. This has occurred within a tiny number of people taking Viagra, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or specific pre-existing eye challenges, and in individuals who smoke or are more than 50 years old. It is not clear regardless of whether Viagra may be the actual cause of vision loss. Stop applying Viagra and get emergency health-related assistance for those who have sudden vision loss.
FDA pregnancy category B: This medication just isn't expected to become harmful to an unborn infant. Usually do not use Viagra with no telling your physician for anyone who is pregnant or program to turn into pregnant in the course of therapy. It is not identified if sildenafil passes into breast milk or if it could harm a nursing baby. Do not use this medication devoid of telling your physician if you're breast-feeding a baby.
See also: Viagra pregnancy and breastfeeding warnings (in extra detail)

How ought to I take Viagra?
Take Viagra specifically as prescribed by your medical doctor. Tend not to take in larger or smaller amounts or for longer than encouraged. Follow the directions on your prescription label.
Viagra is usually taken only when needed, 30 minutes to 1 hour before sexual activity. You may take it up to 4 hours before sexual activity. Tend not to take Viagra more than the moment every day.
Viagra can help you've 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, for those who come to be dizzy or nauseated, or have discomfort, numbness, or tingling inside your chest, arms, neck, or jaw, cease and call your physician instantly. You can be possessing a really serious side effect of Viagra.
Store 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 necessary, so you're not most likely to become on a dosing schedule.

What occurs if I overdose?
Seek emergency medical attention or contact the Poison Assistance line at 1-800-222-1222. Overdose symptoms may possibly include things like chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting.

What must I stay away from even though taking Viagra?
Avoid drinking alcohol, which can improve several of the side effects of Viagra. Stay clear of applying other medicines to treat impotence, including alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), without having first speaking for your doctor.

See also: Viagra and alcohol (in more detail)

Viagra side effects
Get emergency health-related assist when you've got any of those indicators of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. During sexual activity, when you turn into dizzy or nauseated, or have discomfort, numbness, or tingling within your chest, arms, neck, or jaw, stop and contact your doctor immediately. You might be possessing a severe side impact of Viagra.
Cease using Viagra and call your medical professional at when if you have a serious side effect for instance:
sudden vision loss;
ringing in your ears, or sudden hearing loss;
chest discomfort or heavy feeling, discomfort spreading towards the arm or shoulder, nausea, sweating, general ill feeling;
irregular heartbeat;
swelling in your hands, ankles, or feet;
shortness of breath;
vision changes;
feeling light-headed, fainting; or
penis erection that may be painful or lasts 4 hours or longer.

Less really serious Viagra side effects might involve:
warmth or redness inside your face, neck, or chest;
stuffy nose;
headache;
memory issues;
upset stomach; or
back discomfort.

This really is not a comprehensive list of unwanted side effects and other individuals could occur. Get in touch with your doctor for health-related assistance about unwanted side effects. You might report unwanted effects to FDA at 1-800-FDA-1088.

See also: Viagra negative effects (in much more detail)

What other drugs will affect Viagra?
Tend not to take Viagra with equivalent medicines for instance tadalafil (Cialis) or vardenafil (Levitra).
Do not take Viagra in case you are also applying a nitrate drug for chest pain or heart challenges, including 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, inform your doctor about all other medications you use for erectile dysfunction, or if you're applying any in 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 example nefazodone;
an antibiotic including 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 such as diltiazem (Cardizem, Dilacor, Tiazac), doxazosin (Cardura), nicardipine (Cardene), quinidine (Quin-G), or verapamil (Calan, Covera, Isoptin, Verelan); or
HIV/AIDS medicine like atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra).

This list isn't complete and there might be other drugs that may interact with Viagra. Inform your physician about all of the prescription and over-the-counter medicines you use. This contains vitamins, minerals, herbal goods, and drugs prescribed by other medical doctors. Usually do not begin employing a brand new medication without telling your medical doctor.

Viagra