What is Viagra?
Viagra is the brand name for a drug known as sildenafil.
The drug is a phosphodiesterase Type 5 (PDE5) inhibitor used to regulate certain chemicals in the blood. When these chemicals are regulated, it helps to reduce difficulties with getting an erection.
Here’s how PDE5 inhibitors help to regulate chemicals in your blood.
Firstly, there are various types of PDE5 inhibitors such as sildenafil, tadalafil and vardenafil. When the drug is taken, blood flow to the penis increases due to chemical regulation. These chemical regulations happen through the effects of nitric oxide, which is a natural chemical that helps to dilate blood vessels and results in an erection.
Since this drug regulates the nitric oxide in your blood, those who are already on nitrate-based heart medication will need to take precautions when taking Viagra. Those on blood-thinning medication, blood pressure medication or those with uncontrolled low and high blood pressure will also need to take extra precaution.
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