Generic Name: sildenafil (oral) (sil DEN uh fil)
Brand Names: Revatio, Viagra
What's Viagra?
Viagra (sildenafil) relaxes muscle mass and increases blood movement to specific areas of the body.
Sildenafil beneath the name Viagra is used to treat erectile dysfunction (impotence) in men. One other model of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and enhance exercise capability in men and women. Don't take Viagra while also taking Revatio, unless your physician tells you to.
Viagra may additionally be used for different functions not listed on this remedy guide.
Important information about Viagra
Don't take Viagra if you are also using a nitrate drug for chest ache or coronary 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 additionally found in some recreational medication comparable to amyl nitrate or nitrite ("poppers"). Taking Viagra with a nitrate medicine could cause a sudden and serious decrease in blood pressure. During sexual exercise, for those who turn into dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, cease and name your physician right away. You possibly can be having a severe side effect of Viagra.
Don't take Viagra greater than as soon as a day. Allow 24 hours to pass between doses. Contact your doctor or seek emergency medical attention in case your erection is painful or lasts longer than 4 hours. A prolonged erection (priapism) can injury the penis.
Viagra can decrease blood move to the optic nerve of the eye, inflicting sudden imaginative and prescient loss. This has occurred in a small variety of individuals taking Viagra, most of whom additionally had heart illness, diabetes, hypertension, excessive ldl cholesterol, or sure pre-current eye problems, and in those that smoke or are over 50 years old. It's not clear whether Viagra is the precise explanation for vision loss.
Stop utilizing Viagra and get emergency medical assist if you have sudden vision loss.
Before taking Viagra
Don't take Viagra if you are also utilizing a nitrate drug for chest ache or heart problems. 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 additionally present in some recreational medication resembling amyl nitrate or nitrite ("poppers"). Taking Viagra with a nitrate drugs may cause a sudden and severe decrease in blood pressure.
To be sure you can safely take Viagra, inform your physician in case you have any of these different circumstances:
- coronary heart disease or heart rhythm issues;
- a latest history (up to now 6 months) of a coronary heart attack, stroke, or congestive coronary heart failure;
- excessive or low blood pressure;
- coronary artery disease;
- liver or kidney diseas;
- a blood cell disorder corresponding to sickle cell anemia, multiple myeloma, or leukemia;
- a bleeding dysfunction reminiscent of hemophilia;
- a stomach ulcer;
- retinitis pigmentosa (an inherited situation of the attention);
- a physical deformity of the penis (similar to Peyronie's disease); or
- if you have been advised you shouldn't have sexual activity for health reasons.
FDA pregnancy category B: This remedy is not expected to be dangerous to an unborn baby. Don't use Viagra with out telling your doctor in case you are pregnant or plan to become pregnant throughout treatment. It isn't identified if sildenafil passes into breast milk or if it may hurt a nursing baby. Don't use this remedy with out telling your doctor if you're breast-feeding a baby.
How should I take Viagra?
Take Viagra precisely as prescribed by your doctor. Don't take in bigger or smaller quantities or for longer than recommended. Comply with the instructions in your prescription label.
Viagra is usually taken solely when wanted, half-hour to 1 hour before sexual activity. You may take it up to 4 hours earlier than sexual activity. Don't take Viagra greater than once per day.
Viagra may also help you have got an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Observe your physician's instructions.
During sexual activity, should you become dizzy or nauseated, or have ache, numbness, or tingling in your chest, arms, neck, or jaw, cease and name your doctor right away. You could possibly be having a critical facet impact of Viagra.
Store this treatment at room temperature away from moisture and heat.
What happens if I miss a dose?
Viagra is used as needed, so you aren't prone to be on a dosing schedule.
What occurs if I overdose?
Search emergency medical attention or call the Poison Assist line at 1-800-222-1222. Overdose symptoms might include chest ache, nausea, irregular heartbeat, and feeling gentle-headed or fainting.
What ought to I avoid while taking Viagra?
Avoid ingesting alcohol, which may improve among the unintended effects of Viagra. Avoid using other medicines to deal with impotence, similar to alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), without first talking to your doctor.
Viagra side effects
Get emergency medical help when you've got any of those signs of an allergic response: hives; issue respiratory; swelling of your face, lips, tongue, or throat. Throughout sexual exercise, if you turn into dizzy or nauseated, or have ache, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You may be having a serious aspect impact of Viagra.
Cease utilizing Viagra and call your physician without delay when you have a serious aspect impact reminiscent of:
- sudden imaginative and prescient loss;
- ringing in your ears, or sudden hearing loss;
- chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ailing feeling;
- irregular heartbeat;
- swelling in your palms, ankles, or feet;
- shortness of breath;
- vision changes;
- feeling mild-headed, fainting; or
- penis erection that is painful or lasts four hours or longer.
- heat or redness in your face, neck, or chest;
- stuffy nose;
- headache;
- reminiscence issues;
- upset abdomen; or
- again pain.
What other drugs will affect Viagra?
Do not take Viagra with comparable medications akin to tadalafil (Cialis) or vardenafil (Levitra).
Don't take Viagra if you are additionally utilizing a nitrate drug for chest ache or coronary heart problems, together with nitroglycerin (Nitrostat, Nitrolingual, Nitro-Dur, Nitro-Bid, Minitran, Deponit, Transderm-Nitro), isosorbide dinitrate (Dilatrate-SR, Isordil, Sorbitrate), and isosorbide mononitrate (Imdur, ISMO, Monoket), or leisure drugs akin to amyl nitrate or nitrite ("poppers").
Before taking Viagra, inform your physician about all other medications you employ for erectile dysfunction, or in case you are using any of the following medications:
- bosentan (Tracleer);
- cimetidine (Tagamet, Tagamet HB);
- conivaptan (Vaprisol);
- imatinib (Gleevec);
- isoniazid (for treating tuberculosis);
- rifampin (Rifadin, Rimactane, Rifater, Rifamate);
- an antidepressant equivalent to nefazodone;
- an antibiotic equivalent to clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin, Pediazole) or telithromycin (Ketek);
- antifungal treatment resembling itraconazole (Sporanox), ketoconazole (Nizoral), miconazole (Oravig), or voriconazole (Vfend);
- heart or blood strain treatment similar to diltiazem (Cardizem, Dilacor, Tiazac), doxazosin (Cardura), nicardipine (Cardene), quinidine (Quin-G), or verapamil (Calan, Covera, Isoptin, Verelan); or
- HIV/AIDS drugs resembling atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir, Kaletra).
Where can I get more information?
Your pharmacist can present more information about Viagra.
What does my remedy seem like?
Sildenafil is obtainable with a prescription beneath the brand names Viagra and Revatio. Other model or generic formulations might also be available. Ask your pharmacist any questions you could have about this remedy, particularly whether it is new to you.
- Revatio 20 mg - white, movie-coated spherical tablets
- Viagra 25 mg - blue, movie-coated tablets with a rounded-diamond shape
- Viagra 50 mg - blue, film-coated tablets with a rounded-diamond shape
- Viagra 100 mg - blue, movie-coated tablets with a rounded-diamond shape
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