Impotence in men has become a serious common problem. It is termed as Erectile Dysfunction in medical science. A person suffering from it is not able to achieve erection or maintain it long enough for sexual intercourse. This condition is caused due to many disorders, medications and other physical factors. The increase or decrease in the hormones can also cause Erectile Dysfunction. Treatment of ED is easier for younger males compared to older ones. More than half of the men above the age of 40 suffer from ED. The most trusted and efficient treatment is taking tablets. Pfizer's Viagra is the one which every doctor prescribes its patient. It shows result without any side effects or physical harm.

The diamond shaped pill Viagra opened a new way for the treatment of erectile dysfunction and restoring your sexual capability when it was approved in the year 1998. The treatments like direct penis injections, surgical implants and vacuum pumps are no more in demand after the invention of Viagra which is an effective oral pill. Its invention was just a coincidence which brought a new horizon for the treatment of ED.

The erection is achieved by a man when the muscles of the penis relax, allowing blood flow, resulting in erection and hardening of the penis. Viagra is a medicine which tends to relax these muscles. For the medicine to work, sexual stimulation is a must, which can either be mental or physical. Patients using Viagra are satisfied with the erection and its lasting during the intercourse. It does not cause any harm to your orgasm and neither does it increase sex drive.

The medication of Viagra is given with different dozes as per the requirement of the patient. It is advised to be taken empty stomach. It starts working within 30 to 60 minutes after the intake. Its effect lasts for 4 hours, means that the erection can occur anytime within the 4 hours period, after taking the pill.

Its Side Effects

Everything which has a positive side of it has a negative drawback too. Like the sun rays are important for humans, but its ultraviolet radiations are harmful too. In the same way Viagra has side effects which get overshadowed by the prospectus it offers to men. Thus the side effects cannot become the reason for not taking Viagra by those suffering from ED. Some of its common effects are as follows:

• Taking Viagra in empty stomach is advised. But this causes upset in your stomach at times after taking the pill.
• Excessive intake of Viagra even causes problem in your eyesight. At times it may also cause partial or complete blindness.
• At times you might have a headache after having sex. This is the cause of Viagra and not cause of the drink you had.
• Some of the other side effects caused by Viagra are congestion of nasal, dyspepsia, vomiting, asthma, bronchitis, etc.

Excessive intake of it can at times increase the aggression in a man. He might want to kill people and end up being a murderer!