How is viagra able to divert blood flow to a particular part of the body ? and can it be used for other body parts also ?
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It doesn’t specifically target the penis. It actually started as a heart medication. Erections were a side effect. Remember the difference between side effect and treatment is intent. Many medications are like this where a side effect in one patient turns into the treatment for another. Aspirin is an example of this as well. Sure it can treat pain but also impacts clotting. If you are taking it for pain it has a side effect impacting how well your blood clots. If you take it to treat blood clots it has the side effect of reducing pain.
I doesn’t divert the blood flow to a particular part of the body. Pfizer originally discovered the medication in 1989 while looking for a treatment for heart-related chest pain. The (unexpected) side effect was that it gave erections to male patients.
It’s less about diverting blood flow and more about causing a certain blood vessels to open/close in a way so that, well… The thing you’re taking that pill for happens. As I understand it it accomplishes this through an influx of hormones the pill provides/tricks the body into releasing.
I’m no doctor so I can’t define it any more closely than that, but short answer is no, it can’t be used for other body parts in that way. The male anatomy is designed to do that by itself every once in a while when operating normally. Swelling can absolutely happen as an unintended side effect to other areas of the body, but it’s usually due to some sort of allergic reaction and can be super painful, definitely not due to some expansion of muscle mass or something similarly comic-book sounding like that. It’s usually due to something else that could be pretty bad and should definitely get checked out.
Viagra does not send blood anywhere. Your circulatory system is like a series of pipes that are always full of fluid. The pipes get larger or smaller depending on what your body needs to do. Since the pipes must always stay completely full, when a pipe gets larger, more fluid moves into the pipe to fill it.
When you get an erection, the pipes leading into your penis get larger, and the pipes leading out get smaller. That is why you stay erect: There’s more fluid entering than leaving.
There are chemicals in your penis that tell the pipes what size they should be. Viagra bonds to one of these chemicals (cGMP), and keeps your body from breaking it down. There’s now a ton of this chemical in your body telling the pipes leading into your penis to grow, grow, grow!
Guy i went to high school with ODd on them, had a heart attack naked on his kitchen floor. So, they can be used for, that.
In all blood vessels, nitric oxide enhances vasodilation, and phosphodiesterase inhibits vasodilation. Viagra is a PDE inhibitor so net effect is more vasodilation. More vasodilation = more blood flow to small vessels = erection. But this vasodilation is global. It opens up vessels everywhere, so much so that if you take any other blood pressure medication, you will have such a drop in BP that you will faint. And yes, its used to treat high blood pressure in the vessels in your lungs (pulmonary hypertension)
I can confirm that a possible side effect of viagra is hearing loss or ringing in the ears. I had that problem when i started using it, and it freaked me out.
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