Notes

What VIAGRA is and what it is used for


VIAGRA contains the active substance sildenafil, which belongs to a group of medicines

called phosphodiesterase type 5 (PDE5) inhibitors. It works by dilating the blood vessels in the penis, allowing blood flow when sexually stimulated. VIAGRA will only help you get an erection if you are sexually stimulated.



VIAGRA is indicated for the treatment of erectile dysfunction in adult men, sometimes referred to as impotence. This happens when a man cannot get or maintain a firm erection suitable for satisfactory sexual activity.
2. What you need to know before you take VIAGRA

Do not take VIAGRA



If you are allergic to sildenafil or any of the other ingredients of this medicine (listed in section 6).



If you are taking medicines called nitrates, as the combination can lead to a dangerous drop in your blood pressure. Check with your doctor if you are taking any of these medications, which are often given to relieve angina pain (or “chest pain”). If you are not sure, check with your doctor or pharmacist.



If you are using any of the medicines called nitric oxide donors such as amyl nitrite ("poppers"), as the combination can lead to a dangerous drop in your blood pressure.



If you are taking riociguat. This medicine is used to treat pulmonary arterial hypertension (ie, high pressure in the lungs) and chronic thromboembolic pulmonary hypertension (ie, high pressure in the lungs caused by blood clots). PDE5 inhibitors, such as Viagra, have been shown to increase the hypotensive effect of this medicine. If you are taking riociguat or are not sure, talk to your doctor.



If you have a serious heart or liver problem.



If you have recently had a stroke or heart attack, or if you have low blood pressure.



If you suffer from a rare hereditary eye disease (such as retinitis pigmentosa).



If you have previously experienced vision loss due to non-arteritic anterior ischemic optic neuropathy (NAION).



Warnings and precautions

Talk to your doctor, pharmacist or nurse before taking VIAGRA:

If you have sickle cell anemia (an abnormality of red blood cells), leukemia (cancer of the blood cells), multiple myeloma (cancer of the bone marrow)



If you suffer from a deformity of the penis or Peyronie's disease.



If you have heart problems. Your doctor should carefully check whether your heart can handle the extra stress of having sex.



If you currently have a stomach ulcer or bleeding problems (such as haemophilia).



If you experience sudden decrease or loss of vision, stop taking VIAGRA and contact your doctor immediately.



VIAGRA is not advised to be used simultaneously with any other oral or topical treatment for erectile dysfunction.



비아그라 should not take VIAGRA with treatments for pulmonary arterial hypertension (PAH) that contain sildenafil or any other PDE5 inhibitor.



You should not take VIAGRA if you do not have erectile dysfunction.



VIAGRA is not indicated for use in women.
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