Erectile dysfunction is an embarrassing medical problem that many men are afraid of. But nowadays, there are fortunately many medications to treat this problem. And the most well known drug for this is Viagra, a product of Pfizer.
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Viagra has an interesting story. It was originally used to treat a totally different condition related to chest pain and heart problems. But then many men reported that after taking the drug, they regained their ability to achieve an erection under sexual stimulation. And after that, Pfizer started to do more researches about the new discovered effect of Viagra and that was how Viagra got a new name and became the first medication to treat male impotence. Nowadays, Viagra is considered as the best and the most famous medication for erectile dysfunction. The huge success of Viagra throughout more than a decade has contributed a lot for the profit of Pfizer.
Sildenafil citrate is the main active component of Viagra. It is classed as a PDE5 inhibitor. The component can treat erectile dysfunction by blocking the PDE5 enzymes, which prevent the blood flow into the penis. And therefore, under the effect of sildenafil citrate, when a man is sexually stimulated, he can get a natural erection. Viagra will maintain the blood flow into the penis so the erection can last for a long duration.
The FDA has been approved Viagra for years. And under the strictly controlled and regulated manufacturing of Pfizer, Viagra can be trusted as a safe drug. However, all drugs have their side effects and Viagra is not an exception. Any man who is pondering of buying and using Viagra to improve their sexual life must be aware of the potential side effects of Viagra first.
A sudden and huge drop in blood pressure is the most concerned and dangerous side effect of Viagra. As mentioned above, Viagra was originally used to treat heart problems and this side effect is the direct result of that. When blood is pumped into the penis, as when Viagra is taken, the blood pressure in the man’s body will decrease. This side effect is nothing to worry about for men of normal health. But this can be very dangerous for those who are having heart problems or low blood pressure problem. And if Viagra is used together with other drugs that can cause low blood pressure, the low blood pressure side effect will become extremely dangerous. So generally, if you have heart problems, especially related to low blood pressure, or are taking other drugs, you must consult your doctors first before using Viagra.
Some other less common side effects of Viagra is vision and hearing loss, diarrhea and back pain. When these side effects may not be really dangerous, you still should seek medical attention if you experience any of these side effects.
The recommended dosage of Viagra is in the drug instruction which can be found in all Viagra packages. You should always read and follow the drug instruction carefully. Never attempt to increase the Viagra dosage in any circumstance. If overdosed, you may get a very hard erection that can last for hours, even after ejaculating. It will be very painful, and the results can be tissue damage in the penis which can lead to deformity and permanent impotence.