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See All Home › Drugs by Condition › E › Erectile Dysfunction › Viagra Consumer Information Print Save or Share
Viagra ====== Generic Name: sildenafil (oral) (sil DEN uh fil) Brand Names: Revatio, Viagra
What is Viagra? --------------- <script type="text/javascript" charset="ISO-8859-1" src="http://as.webmd.com/js.ng/Params.richmedia=yes&transactionID=55361823&tile=55361823&site=2&affiliate=38&xpg=1818&pos=121"></script>;
Viagra relaxes muscles and increases blood flow to particular areas of the body. Sildenafil under the name Viagra is used to treat erectile dysfunction (impotence) in men. Another brand of sildenafil is Revatio, which is used to treat pulmonary arterial hypertension and improve exercise capacity in men and women.
Viagra may also be used for other purposes not listed in this medication guide. Important information about Viagra ----------------------------------
Do not take Viagra if you are also using a nitrate drug for chest pain
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 also found in some recreational
drugs such as amyl nitrate or nitrite ("poppers"). Taking Viagra with
a nitrate medicine can cause a serious decrease in blood pressure,
leading to fainting, stroke, or heart attack. During sexual activity,
if you become dizzy or nauseated, or have pain, numbness, or tingling
in your chest, arms, neck, or jaw, stop and call your doctor right
away. You could be having a serious side effect of Viagra.
Do not take Viagra more than once a day. Allow 24 hours to pass
between doses. Contact your doctor or seek emergency medical attention
if your erection is painful or lasts longer than 4 hours. A prolonged
erection (priapism) can damage the penis.Viagra can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking Viagra, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old. It is not clear whether Viagra is the actual cause of vision loss. Stop using Viagra and get emergency medical help if you have sudden vision loss.
Before taking Viagra
--------------------
Do not take Viagra if you are also using a nitrate drug for chest pain
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 also found in some recreational
drugs such as amyl nitrate or nitrite ("poppers"). Taking Viagra with
a nitrate medicine can cause a serious decrease in blood pressure,
leading to fainting, stroke, or heart attack.Before taking Viagra, tell your doctor if you are allergic to any drugs, or if you have:
heart disease or heart rhythm problems;
a recent history (in the past 6 months) of a heart attack, stroke, or heart rhythm disorder;
congestive heart failure;
high or low blood pressure;
coronary artery disease;
liver disease;
kidney disease;
a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia;
a bleeding disorder such as hemophilia;
a stomach ulcer;
retinitis pigmentosa (an inherited condition of the eye);
a physical deformity of the penis (such as Peyronie's disease); or
if you have been told you should not have sexual intercourse for health reasons. If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medicine.
Viagra can decrease blood flow to the optic nerve of the eye, causing sudden vision loss. This has occurred in a small number of people taking Viagra, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoke or are over 50 years old. It is not clear whether Viagra is the actual cause of vision loss. Stop using Viagra and get emergency medical help if you have sudden vision loss. FDA pregnancy category B: This medication is not expected to be harmful to an unborn baby. Do not use Viagra without telling your doctor if you are pregnant or plan to become pregnant during treatment. It is not known if sildenafil passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
See also: Pregnancy and breastfeeding warnings in more detail How should I take Viagra? -------------------------
Take Viagra exactly as it was prescribed for you. Do not take it in larger doses or for longer than recommended by your doctor. 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. Do not take Viagra more than once per day.
Viagra can help you have an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor's instructions. During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect of Viagra. Store this medication at room temperature away from moisture and heat.
What happens if I miss a dose? ------------------------------ Viagra is used as needed, so you are not likely to be on a dosing schedule.
If you miss a dose of Revatio, take the missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and take the medicine at the next regularly scheduled time. Do not take extra medicine to make up the missed dose. What happens if I overdose? ---------------------------
Seek emergency medical attention if you think you have used too much of this medicine. Overdose symptoms may include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting. What should I avoid while taking Viagra? ----------------------------------------
Avoid drinking alcohol, which can increase some of the side effects of Viagra. Avoid using other medicines to treat impotence, such as alprostadil (Caverject, Muse, Edex) or yohimbine (Yocon, Yodoxin, others), without first talking to your doctor. Viagra side effects -------------------
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect of Viagra. Stop using Viagra and call your doctor at once if you have any of these serious side effects:
sudden vision loss;
ringing in your ears, or sudden hearing loss;
chest pain or heavy feeling, pain spreading to 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 is painful or lasts 4 hours or longer. Less serious Viagra side effects may include:
warmth or redness in your face, neck, or chest;
stuffy nose;
headache;
memory problems;
upset stomach; or
back pain.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. See also: Viagra side effects in more detail
What other drugs will affect Viagra?
------------------------------------
Do not take Viagra if you are also using a nitrate drug for chest pain
or heart problems, 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 such as amyl
nitrate or nitrite ("poppers").Before taking Viagra, tell your doctor about all other medications you use for erectile dysfunction, or if you are using any of the following medications:
bosentan (Tracleer);
cimetidine (Tagamet, Tagamet HB);
conivaptan (Vaprisol);
diclofenac (Arthrotec, Cataflam, Voltaren, Flector Patch, Solareze);
enoxacin (Penetrex);
imatinib (Gleevec);
isoniazid (for treating tuberculosis);
rifampin (Rifadin, Rimactane);
an antidepressant such as nefazodone;
an antibiotic such as clarithromycin (Biaxin), dalfopristin/quinupristin (Synercid), erythromycin (E.E.S., EryPed, Ery-Tab, Erythrocin) or telithromycin (Ketek);
an antifungal medication such as clotrimazole (Mycelex Troche), itraconazole (Sporanox), ketoconazole (Nizoral), or voriconazole (Vfend);
heart or blood pressure medication such as diltiazem (Cardizem, Dilacor, Tiazac), doxazosin (Cardura), nicardipine (Cardene), quinidine (Quinaglute, Quinidex, Quin-Release), or verapamil (Calan, Covera, Isoptin,Verelan); or
HIV/AIDS medicine such as amprenavir (Agenerase), atazanavir (Reyataz), delavirdine (Rescriptor), fosamprenavir (Lexiva), indinavir (Crixivan), nelfinavir (Viracept), saquinavir (Invirase), or ritonavir (Norvir). This list is not complete and there may be other drugs that can interact with Viagra. Tell your doctor about all the prescription and over-the-counter medications you use. This includes vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start using a new medication without telling your doctor.
Where can I get more information? --------------------------------- Your pharmacist can provide more information about Viagra.
What does my medication look like? ---------------------------------- Sildenafil is available with a prescription under the brand names Viagra and Revatio. Other brand or generic formulations may also be available. Ask your pharmacist any questions you have about this medication, especially if it is new to you.
Revatio 20 mg - white, film-coated round tablets
Viagra 25 mg - blue, film-coated tablets with a rounded-diamond shape
Viagra 50 mg - blue, film-coated tablets with a rounded-diamond shape
Viagra 100 mg - blue, film-coated tablets with a rounded-diamond shape
Remember, keep this and all other medicines out of the reach of
children, never share your medicines with others, and use this
medication only for the indication prescribed.
Every effort has been made to ensure that the information provided
by Cerner Multum, Inc. ('Multum') is accurate, up-to-date, and
complete, but no guarantee is made to that effect. Drug
information contained herein may be time sensitive. Multum
information has been compiled for use by healthcare practitioners
and consumers in the United States and therefore Multum does not
warrant that uses outside of the United States are appropriate,
unless specifically indicated otherwise. Multum's drug information
does not endorse drugs, diagnose patients or recommend therapy.
Multum's drug information is an informational resource designed to
assist licensed healthcare practitioners in caring for their
patients and/or to serve consumers viewing this service as a
supplement to, and not a substitute for, the expertise, skill,
knowledge and judgment of healthcare practitioners. The absence of
a warning for a given drug or drug combination in no way should be
construed to indicate that the drug or drug combination is safe,
effective or appropriate for any given patient. Multum does not
assume any responsibility for any aspect of healthcare
administered with the aid of information Multum provides. The
information contained herein is not intended to cover all possible
uses, directions, precautions, warnings, drug interactions,
allergic reactions, or adverse effects. If you have questions
about the drugs you are taking, check with your doctor, nurse or
pharmacist.Copyright 1996-2009 Cerner Multum, Inc. Version: 7.03. Revision Date: 06/12/2009 9:20:04 AM. Printable Version Email Save or Share
More Viagra resources --------------------- Viagra Side Effects in More Detail
Viagra Use in Pregnancy & Breastfeeding Drug Images
Viagra Drug Interactions Support Group Q & A
22 Reviews for Viagra - Add your own review/rating Viagra Detailed Consumer Information (PDR)
Viagra Prescribing Information (FDA) Viagra Advanced Consumer (Micromedex) - Includes Dosage Information
Viagra Medfacts Consumer Leaflet (Wolters Kluwer) Revatio Prescribing Information (FDA)
Revatio Detailed Consumer Information (PDR) Revatio Medfacts Consumer Leaflet (Wolters Kluwer)
Compare Viagra with other medications for the treatment of: ----------------------------------------------------------- Erectile Dysfunction
Sexual Dysfunction, SSRI Induced Search:
Sign In or Register UsernamePassword Forgot password? Related Viagra Information --------------------------
Approval History FDA approved 1998 Availability Prescription only
Pregnancy Category No proven risk in humans CSA Schedule Not a controlled drug
Close ReviewsAverage User Rating 22 User Reviews 6.9
Rate it! Related Pages
Detailed Side Effects Pregnancy & Breastfeeding
Drug Interactions Drug Images
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