Viagra
ViagraHow viagra works
If you want to create a drug that increases blood flow to the penis, there are at least three ways to do it:
- Increase the amount of nitric oxide produced in the penis
- Increase the amount of cGMP produced in the penis in response to the nitric oxide
- Eliminate the PDE in the penis so that the cGMP builds up instead of getting decomposed by the PDE
Viagra® uses method number three — it eliminates the PDE that is decomposing the cGMP, so cGMP...more
Cialis Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. During sexual activity, if you become dizzy or nauseated, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor right away. You could be having a serious side effect of Cialis. Stop using Cialis and call your doctor at once if you have any of these serious side effects:
- sudden vis...more
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WHAT IS VIAGRA?
VIAGRA is a pill used to treat erectile dysfunction (impotence) in men. It can help many men who have erectile dysfunction get and keep an erection when they become sexually excited (stimulated).
You will not get an erection just by taking this medicine. VIAGRA helps a man with erectile dysfunction get an erection only when he is sexually excited.
HOW...more
