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Before you start Viagra therapy, consult your doctor if you are allergic to any drugs, or if you have:
· History of a heart attack, stroke, heart rhythm disorder or congestive heart failure
· Blood Pressure
· Coronary Artery Disease
· Liver disease
· Kidney disease
· Any Blood Cell Disorder
· Bleeding disorder such as hemophilia
· Ulcer of Stomach
· Retinitis pigmentosa
· Physical deformity of the penis
· Restricted Sexual Intercourse due to some reason
Avoid drinking alcohol, which can increase some of the side effects of Viagra. Avoid using other medicines to treat impotence. Taking Viagra with Nitrate Drug can lead to fatal reaction such as heart stroke, blood pressure, or fainting.
The patients who had heart disease, blood pressure, cholesterol, eye problems, old aged, and smokers had sudden vision loss, as Viagra can decrease to the optic nerve of the eye. It is not clear whether Viagra is the actual cause of vision loss. FDA Category B For Pregnancy: This medication is not expected to be harmful to an unborn baby. However before using Viagra, let your Doctor know if you are pregnant or planning to be pregnant. It has not been known that Sildenafil passes into breast milk or it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.
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