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Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra Viagra (sildenafil) relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body.

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. This page contains specific information for Viagra, not Revatio.

Do not take Viagra while also taking Revatio, unless your doctor tells you to.
Important information

Some medicines can cause unwanted or dangerous effects when used with Viagra. Tell your doctor about all your current medicines, especially riociguat (Adempas) and nitrates.Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra

Do not take Viagra if you are also using a nitrate drug for chest pain or heart problems, including nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, and some recreational drugs such as “poppers”. Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.

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.

Stop using Viagra and get emergency medical help if you have sudden vision loss.
Before taking this medicine

You should not use Viagra if you are allergic to sildenafil, or:Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra

if you take other medicines to treat pulmonary arterial hypertension, such as riociguat (Adempas).

if you take nitrates.

Do not take Viagra if you are also using a nitrate drug for chest pain or heart problems. This includes nitroglycerin, isosorbide dinitrate, and isosorbide mononitrate. Nitrates are also found in some recreational drugs such as amyl nitrate or nitrite (“poppers”). Taking sildenafil with a nitrate medicine can cause a sudden and serious decrease in blood pressure.

To make sure Viagra is safe for you, tell your doctor if you have ever had:

heart disease or heart rhythm problems, coronary artery disease;

a heart attack, stroke, or congestive heart failure;

high or low blood pressure;

liver or 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.

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 sildenafil, most of whom also had heart disease, diabetes, high blood pressure, high cholesterol, or certain pre-existing eye problems, and in those who smoked or were over 50 years old. It is not clear whether sildenafil is the actual cause of vision loss.Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra

Viagra is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

 

It is not known whether sildenafil passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.

Do not give this medicine to anyone under 18 years old without medical advice.
How should I take Viagra?

Take Viagra exactly as it was prescribed for you. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

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 sildenafil.

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Important Safety Information And Indication

Do not take VIAGRA if you:

take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level,buy viagra online, how long does viagra last, little blue pill, generic viagra online, generic viagra online for sale, otc viagra
are allergic to sildenafil, as contained in VIAGRA and REVATIO, or any of the ingredients in VIAGRA; Mixing viagra and cocaine is highly dangerous.

Discuss your health with your doctor to ensure that you are healthy enough for sex. If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help.

VIAGRA can cause serious side effects. Rarely reported side effects include:

 

An erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis
sudden vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of a serious eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). Stop taking VIAGRA and call your healthcare provider right away if you have any sudden vision loss
sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking VIAGRA and contact a doctor right away

Before you take VIAGRA, tell your healthcare provider if you:buy viagra online, how long does viagra last, little blue pill, generic viagra online, generic viagra online for sale, otc vigra

 

have or have had heart problems such as a heart attack, irregular heartbeat, angina, chest pain, narrowing of the aortic valve, or heart failure
have had heart surgery within the last 6 months
have pulmonary hypertension
have had a stroke
have low blood pressure, or high blood pressure that is not controlled
have a deformed penis shape
have had an erection that lasted for more than 4 hours
have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia
have retinitis pigmentosa, a rare genetic (runs in families) eye disease
have ever had severe vision loss, including an eye problem called NAION
have bleeding problems
have or have had stomach ulcers
have liver problems
have kidney problems or are having kidney dialysis
have any other medical conditions

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

VIAGRA may affect the way other medicines work, and other medicines may affect the way VIAGRA works, causing side effects. Especially tell your healthcare provider if you take any of the following:

medicines called nitrates
medicines called guanylate cyclase stimulators such as Adempas (riociguat)
medicines called alpha-blockers, such as Hytrin (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), Minipress (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers are sometimes prescribed for prostate problems or high blood pressure. In some patients, the use of VIAGRA with alpha-blockers can lead to a drop in blood pressure or to fainting.Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra

medicines called HIV protease inhibitors, such as ritonavir (Norvir), indinavir sulfate (Crixivan), saquinavir (Fortovase or Invirase), or atazanavir sulfate (Reyataz)
some types of oral antifungal medicines, such as ketoconazole (Nizoral) and itraconazole (Sporanox)
some types of antibiotics, such as clarithromycin (Biaxin), telithromycin (Ketek), or erythromycin
other medicines that treat high blood pressure
other medicines or treatments for ED

VIAGRA contains sildenafil, which is the same medicine found in another drug called REVATIO. REVATIO is used to treat a rare disease called pulmonary arterial hypertension (PAH). VIAGRA should not be used with REVATIO or with other PAH treatments containing sildenafil or any other PDE5 inhibitors (such as Adcirca [tadalafil]),buy viagra online, how long does viagra last, little blue pill, generic viagra online, generic viagra online for sale, otc viagra

VIAGRA does not protect against sexually transmitted diseases, including HIV.

The most common side effects of VIAGRA: headache; flushing; upset stomach; abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision; stuffy or runny nose; back pain; muscle pain; nausea; dizziness; rash.

a light-headed feeling, like you might pass out especially taken with xanax.

Common Viagra side effects may include:

flushing (warmth, redness, or tingly feeling);

headache, dizziness;

abnormal vision (blurred vision, changes in color vision)

runny or stuffy nose, nosebleeds;

sleep problems (insomnia);

muscle pain, back pain; or

upset stomach.

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.Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra
See also:

Viagra side effects (in more detail)
What other drugs will affect Viagra?

 

Do not take Viagra with similar medications such as avanafil (Stendra), tadalafil (Cialis) or vardenafil (Levitra). Tell your doctor about all other medications you use for erectile dysfunction.

Tell your doctor about all your current medicines and any you start or stop using, especially:

drugs to treat high blood pressure or a prostate disorder;

an antibiotic – clarithromycin, erythromycin, or telithromycin;

antifungal medicine – ketoconazole or itraconazole; or

medicine to treat HIV/AIDS – atazanavir, indinavir, ritonavir, or saquinavir;

nitrates;

medications used to treat pulmonary artery hypertension.

This list is not complete. Other drugs may interact with sildenafil, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.Buy viagra online usa,buy viagra online uk,generic viagra online for sale,where can i buy viagra online,over the counter viagra