The prescription Viagra is a medicine that is used for the treatment of erectile dysfunction and impotence of men. Viagra works by increasing the blood flow in the penis which in return helps a man sustain an erection in order to perform sexual activities. Effects of the prescription Viagra can vary from person to person and it starts working within 30 minutes of taking it. Most importantly the prescription Viagra should be taken with planned sexual activities, because taking Viagra tablets alone will not cause a ejection. Also the length of time that Viagra effects last, can vary from one individual to another, studies show it has been capable of lasting up to 5 hours at a time, when used with planned sexual activities.
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There are known factors that could interfere with how long the prescription Viagra could last for. Men who are over age 65 find that the Viagra tablet can last longer in their body, due to the fact that there metabolic system slows down with their age. Also eating a large meal before taking Viagra can effect when the Viagra pill starts to work and that is because internally your body is focused on processing the food you just consumed. It is best to take the Viagra pill on a empty stomach, and that will cause the pill to work faster. In addition consumption of alcohol effects the Viagra prescription pill as well. When a men drinks alcohol then takes a Viagra pill, he is essentially decreasing his blood flow to his penis therefore making it harder to get and maintain an erection. Viagra comes in many different doses, ranging from 25mg to 100mg. The higher the dose of Viagra, then the more effective and longer effects you will get. It is best to let your doctor prescribe the best dosage of Viagra for you. Liver and kidney problems also interfere with Viagra, and that is due to the fact that it will take longer for the tablet to be broken down by your body internally. Most importantly other medicines can affect how Viagra interacts with your body. Medicine such as the antibiotic rifampicin can alter the effects of Viagra working as it intended to.
In extreme and rare cases the prescription Viagra can having some lasting effects. A condition called priapism can occur when taking Viagra in combination with other medications. Priapism is when a painful erection occurs and it lasts longer than 4 hours. If this condition occurs then you must seek medical attention immediately.
The prescription Viagra pill also has some common side effects as well. Common side effects can include a headache, upset stomach, flushing, stuffy or runny, back pain, muscle pain, nausea, dizziness, and rash. Taking Viagra can also can cause changes in vision, abnormal vision and even blurred vision. In addition a heart attack, stroke, an irregular heartbeat and death have happened rarely in some men taking the prescription pill Viagra. Most of these men had heart problems before they began taking Viagra and it is not known what has caused these problems.