20 year old Viagra positive medicine - True and fake

On this day (March 27) 20 years ago, Viagra - the small green pill brought "heroism" to the men of sexual dysfunction that was born. After 20 years of existence, besides the real pills are fake pills that users can hardly distinguish and then lead to unfortunate consequences.

Viagra is a trade name for the active ingredient Sildenafil used to help impotence in men by increasing the amount of blood spilled into the penis when there is sexual emotion. Drugs by Pfizer Inc. manufacturing.

In 1992, in the city of Mertir Tidefeel of Wales, two British scientists Peter Dunn and Albert Wood Viagra studied and tested a drug to treat angina. However, this drug does not reduce the pain, but it has an unexpected effect, which is to erect male genitalia. As a result of this incident, the pharmaceutical company Pfizer turned its research into making a drug for impotence, a disease in about one-third of men over 40, named Viagra.

Viagra is smuggled everywhere in other countries for many times higher than the original price.

After the results of clinical trials, Pfizer decided to market Viagra erectile dysfunction. The drug was patented in 1996.

On March 27, 1998, the US Food and Drug Administration (FDA) officially authorized Viagra to be circulated and consumed throughout the United States, and soon the drug was sold worldwide. But in the period before the drug was sold abroad, Viagra was smuggled everywhere in other countries for many times higher than the original price.

Viagra was officially available in the European pharmaceutical market in September 1998. With the demand for very high doses of European medicine, it means that the profit of Pfizer pharmaceutical company starts to increase. According to statistics from 1999 to 2000, revenue from Viagra in the world has increased by 30%, exceeding USD 1 billion / year.

20 years since the birth of fake Viagra has appeared all over the world, Viagra has been rampant for sale on the Internet, so it is hard for users to know if the real drug is not a fake. Doctors warn of fake Viagra drugs that are toxic to the printer's pesticides or ink. So this drug user has fallen into a state of "crying and losing money" when using fake drugs.

Like many countries in the world, in Vietnam, fake Viagra also has the opportunity to spread, making many patients "lose money, get worse" . Viagra is not only available at the 'sidewalk' drug store, but also many profit-seeking pharmacies also sell floating goods for sale. The offering of fake Viagra drugs is creeping on social networks, the internet and offered by ' distributors' in bus stations and docks.

Doctors suggest that the consequences of using fake Viagra are incalculable harms. With the low purity of counterfeit drugs, it will reduce the effectiveness, at the same time, also cause toxicity to the liver, kidneys and increase blood pressure for patients. Using counterfeit drugs, patients with more impaired ability than normal, the patient's treatment desire is worse with the risk of prostate disorder leading to "paralysis" the possibility of men .