Who can and cannot take sildenafil
The primary endpoint was time to limiting angina in the evaluable cohort. The mean times adjusted for baseline to onset of limiting angina were These results demonstrated that the effect of VIAGRA on the primary endpoint was statistically non-inferior to placebo.
Effects of VIAGRA on Vision: At single oral doses of mg and mg, transient dose-related impairment of color discrimination was detected using the Farnsworth-Munsell hue test, with peak effects near the time of peak plasma levels.
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About sildenafil Viagra Sildenafil is a medicine used to treat erection problems erectile dysfunction. Sildenafil is also sometimes used to treat pulmonary hypertension high blood pressure in the blood vessels that supply the lungs.
If you have erection problems sildenafil works by temporarily increasing blood flow to your penis when you get sexually excited. In pulmonary hypertension it works by relaxing blood vessels in the chest. If you buy sildenafil for erectile dysfunction, it can also be known by the brand names Viagra, Aronix, Liberize and Nipatra. Sildenafil for pulmonary hypertension can also be known by the brand names Revatio and Grandipam. This medicine is available on prescription and you can also buy it from most pharmacies.
FREQUENTLY ASKED QUESTIONS
Trimazosin Other Interactions Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
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Who can and cannot take sildenafil Who can take sildenafil Most men aged 18 and over can take sildenafil for erectile dysfunction. Most adults and children aged 1 year and over can take sildenafil for pulmonary hypertension. Who may not be able to take sildenafil Sildenafil is not suitable for some people. To make sure it’s safe for you, speak to your doctor or pharmacist before taking sildenafil if you: have ever had an allergic reaction to sildenafil or any other medicine are taking medicines called nitrates for chest pain angina have a serious heart or liver problem have recently had a stroke , heart attack or a heart problem — your doctor should carefully check whether your heart can take the additional strain of having sex have low blood pressure hypotension have a rare inherited eye disease, such as retinitis pigmentosa have sickle cell anaemia an abnormality of red blood cells , leukaemia cancer of blood cells or multiple myeloma cancer of bone marrow have a deformity of your penis or Peyronie’s disease curved penis.
GETTING STARTED WITH VIAGRA
If you experience chest pain, dizziness, or nausea during sex, seek immediate medical help. 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.
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Brand names Why is this medication prescribed? Sildenafil Viagra is used to treat erectile dysfunction impotence; inability to get or keep an erection in men. Sildenafil Liqrev, Revatio is used to improve the ability to exercise in adults Liqrev, Revatio and children 1 year of age and older Revatio with pulmonary arterial hypertension PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness.
Sildenafil is in a class of medications called phosphodiesterase PDE inhibitors. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily.
If you are taking sildenafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Sildenafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus HIV.
About sildenafil (Viagra)
If you have an erection that lasts for more than 4 hours, you should go to the nearest hospital emergency department. Prolonged erections can be dangerous. Sildenafil may not be safe to take for people with certain medical conditions including: a past history of stroke or heart attack in the last 6 months retinitis pigmentosa an eye disease It can also interact with many other medicines, particularly nitrates used in heart disease , amyl nitrite and blood pressure medicines. People who use nitrates in any form or are being treated for pulmonary hypertension should not take sildenafil.
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