Also sold under the generic name of sildenafil, Viagra is used for the relaxing the muscles found in the walls of the blood vessels and enhances the flow of blood in certain areas of the body. People buy Viagra online for treating pulmonary arterial hypertension and improving the exercise stamina in males and females.
There are certain medicines which can cause dangerous side effects when used with Viagra. You should not take Viagra if you have been using nitrate drugs for the chest pain or the heart problems including isosorbidemononitrate, isosorbidedintrate and similar types of other recreational drugs like “popper.”
Taking Viagra with nitrate medicines can cause sudden and serious decline in the blood pressure. You should contact your doctor or seek emergency medical help if your erection gets painful and lasts for more than 4 hours. Stop taking the medicine and seek an emergency help if you experience sudden loss of vision.
You should not be using Viagra if you are allergic to it or if you are taking other drugs for the treatment of pulmonary hypertension like riociguat etc. Taking Viagra with the nitrate can lead to the serious decline in the blood pressure. Tell your doctor if you have ever had heart diseases, heart rhythm problems, liver or kidneys diseases, low blood pressure etc.
Take Viagra exactly as prescribed by the doctor. You need to follow the directions on the prescription label. You should not take this medicine for a longer period or for more than the required amount. The medicine is taken only when required. You need to take it at least half an hour to one hour before the sexual intercourse. You should not take Viagra more than once a day. Aways keep in mind that it can help you get erection only when you are sexually stimulated. Erection is not possible just by taking this medicine.
During the intercourse, if you feel dizzy or nauseated or experience pain, numbness or tingling in the chest, arms, neck or jaw, you need to call your doctor immediately.
Viagra can decrease flow of blood to the optic nerve of eyes resulting in a sudden loss of vision but this occurred only to a few people suffering from high cholesterol levels, high blood pressure, diabetes etc. It cannot pass through the breast milk also and hence does not harm an infant. However, you need to inform your doctor if you are pregnant or breast feeding a baby.
You can buy Viagra in USA or buy cheap online Viagra from a certified pharmacy store.