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Monday, February 3, 2020

Viagra 威而鋼藍色小藥丸偉哥 用於陽痿患者療效確切安全可靠的壯陽藥


Hard facts about Viagra

Viagra is a brand name of a drug used to treat erectile dysfunction (impotence) the inability to obtain and maintain an erection. It is also used in the treatment of specific high pressure of blood to the heart and the arteries that supply the lungs. The drug's generic name is sildenafil (threshold-den-a pronounced filling).

Unfortunately, the first clinical trials are not positive. For the drug's intended effect was to be taken three times a day and he gave some muscle pain patients. It was also found to interact with nitrates (the standard treatment for angina), which has led to a dangerous drop in blood pressure patients.

Fortunately, some patients have reported side effect delayed erection. Therefore, the emphasis on Viagra has changed its clinical trials of sexual applications.After, it was approved for use in Australia in 1998, having been approved in the United States nine months earlier.

If you think you have received counterfeit pills, take them to your local pharmacist for control and elimination.

How it works

Viagra works by binding to an enzyme called phosphodiesterase. Viagra bind to prevents the enzyme from the conversion of the cyclic guanosine monophosphate chemical (abbreviated as cGMP) by guanosine triphosphate (GTP).

The effect of cGMP accumulation is the relaxation of the artery walls. This makes it the largest arteries and allows more blood to flow into the penis.

However, the drug does not give patients an erection without sexual stimulation. When a man becomes excited the brain sends a signal to the cells in the penis to release nitric oxide, which turns on the production of cGMP. Without stimulation to produce nitric oxide, there is no cGMP accumulation and no erection.

One of ten patients will experience the most common side effects of Viagra. Side effects include the development of a rash, diarrhea and an increased susceptibility to urinary tract infections.

A side effect is less common abnormal vision. These include blurred vision, sensitivity to light and / or blue-green tinge to vision called cyanopsia patient. Higher doses increase the risk of a patient with abnormal vision.

Viagra is one of the most counterfeited drugs in the world. Because of its wide appeal to many patients trying to buy without prescription. Viagra can be purchased from online auction sites, Internet pharmacies and even brick retail stores and mortar.

There are many risks in making counterfeit Viagra. fake Viagra tablets can not contain too much or Viagra. He also reported that counterfeit tablets contained the blue printer ink - to give them what true appearance Viagra - illegal drugs like amphetamines, and other unrelated drugs like antibiotic metronidazole.

This is probably not authentic.
The best way to ensure you're not buying counterfeit Viagra is to have a trusted pharmacist fill your script store. For patients who need to have their Viagra script filled on the Internet, there are ways to check if the medication you have provided is false.

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