
Not to take the sildenafil if you also employ a nitrate drug for problems of pain or heart of trunk. This includes nitroglycerin (Nitrostat, Nitrolingual, Nitro-Hard, Nitro-A offered, and others), the dinitrate of isosorbure (Dilatrate-SR, Isordil, Sorbitrate), and the mononitrate of isosorbure (Imdur, ISMO, Monoket). Nitrates are also found in certain récréationnelles drugs such as amyl nitrate or nitrite (“poppers”). The catch of the sildenafil with a nitrate medicine can cause a serious reduction in the blood pressure, driving with fainding, the race, or the heart attack. A restricted number of patients had a sudden loss of sight after the catch of the sildenafil. This type of loss of vision is caused by decreased flow of blood to the optic nerve of the eye. It is not clear if the sildenafil is the real cause of such a loss of vision. The sudden loss of vision with the use of sildenafil occurred generally in the people with the diabetes, cardiac disorder, hypertension, rich in cholesterol, or certain preexistent problems of eye, and in those which smoke or take place more than 50 years. Before taking the sildenafil, to say to your doctor if you have: problems of rate/rhythm of heart or cardiac disorder; a recent history (in 6 months last) of a heart attack, a race, or a disorder of rate/rhythm of heart; congestive cardiac arrest; high hypotension or; disease of the coronary artery; hepatic affection; the disease of kidney; a disorder of cells of blood such as the anaemia of cells of sickle, the multiple myélome, or leukaemia; a disorder of bleeding such as the hemophilia; an ulcer of stomach; pigmentosa of retinitis (a state inherited the eye); a physical defect of form of the penis (such as the disease of Peyronie); or if you were known as you should not have sexual relations for reasons of health. If you have unspecified among these conditions, you cannot be able to employ the sildenafil or you can need an adjustment of proportioning or tests special during the treatment. Category B of pregnancy of FDA: One does not expect that this drug is harmful with a baby to come. Not to employ the sildenafil without saying your doctor if you are pregnant or plane to become pregnant during the treatment. It is not known if the sildenafil passes in the milk of centre or if it could harm a baby of care. Not to employ this drug without indicating to your doctor if you nurse with the centre a baby. How I should take the sildenafil?To take each amount with full glass of water. To avoid taking food with high content of greases before the catch of Viagra as it can make take medicine more time to start to work. Sildenafil is usually taken only once necessary, 30 - 90 minutes before sexual activity. The drug can help to carry out a construction when sexual stimulation occurs. A construction will not occur just by taking a pillule. Not to take the sildenafil more than once per day. To grant 24 hours to make between the amounts. To store this drug at the ambient temperature far from moisture and heat.