Cialis improves blood flow by inhibiting phosphodiesterase-5 (PDE5). PDE5 is an enzyme that breaks down cyclic guanosine monophosphate (cGMP), a molecule crucial for relaxing smooth muscles in blood vessels.
By blocking PDE5, Cialis increases cGMP levels. Higher cGMP levels lead to relaxation of smooth muscles in the blood vessels of the penis, allowing increased blood flow.
This increased blood flow is responsible for achieving and maintaining an erection. The effect varies among individuals, and factors like age and overall health play a role.
It’s important to note that Cialis doesn’t directly increase penis size; it facilitates blood flow, contributing to improved erectile function.
| PDE5 Inhibition | Increased cGMP levels |
| Increased cGMP | Relaxed smooth muscles |
| Relaxed smooth muscles | Increased blood flow to the penis |
| Increased blood flow | Improved erectile function |
Consult a healthcare professional for personalized advice and to discuss potential side effects before using Cialis.
