What is Viagra? Viagra is an anti-impotence drug manufactured by Pfizer with an active ingredient sildenafile citrate for treatment of male impotence. Sildenafile citrate relaxes the muscles and increases the blood flow to particular areas of the body. The intake of Viagra increases the ability to achieve and sustain erection on being sexually stimulated. Men taking Viagra have reported an amplified sex drive, increased stamina, and quicker recharge. Viagra works together with sexual stimulation to help achieve maximum sexual satisfaction. However, Viagra does not guarantee protection from getting sexually transmitted diseases, including HIV and Hepatitis. How Viagra works? Viagra enables many men with ED to respond to sexual stimulation. …show more content…
It depends on individual to individual and is usually mild to moderate and don 't last longer than a few hours. Mostly these side effects are evident with high intakes of Viagra. The most common side effects of Viagra are headache, nausea, flushing of the face, and upset stomach. Also there can be some temporary changes in color vision (such as trouble telling the difference between blue and green objects or having a blue color tinge to them), eyes becoming sensitive to light, or blurred vision. But if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw during sexual activity, stop and call your doctor right away. You could be having a serious side effect of Viagra, or if you have sudden vision loss or have any of these signs of allergic reactions like hives; difficulty breathing; swelling of your face, lips, tongue, or throat seek emergency medical help immediately. It is also advisable to stop using Viagra and call your doctor immediately if you have any of these serious problems like - chest pain or heavy feeling, pain spreading to the arm or shoulder, nausea, sweating, general ill feeling; irregular heartbeat; swelling in your hands, ankles, or feet; shortness of breath and vision