Suhagra is a medication that contains the active ingredient Sildenafil citrate. Sildenafil is a type of phosphodiesterase type 5 (PDE5) inhibitor, and Suhagra is commonly used to treat erectile dysfunction (ED). The mechanism of action of Suhagra sildenafil revolves around its effects on the physiological processes that lead to the ability to achieve and maintain an erection.

Here's how Suhagra (Sildenafil) works:

1. Relaxation of Smooth Muscles: During sexual arousal, the body releases nitric oxide, which in turn stimulates the production of cyclic guanosine monophosphate (cGMP). cGMP is a chemical messenger that relaxes the smooth muscles in the walls of the blood vessels in the penis.

2. Increased Blood Flow: As the smooth muscles relax, the blood vessels widen (dilate). This dilation allows more blood to flow into the penis, leading to an erection. Adequate blood flow is essential for achieving and maintaining an erection.

3. Inhibition of PDE5: Normally, after an erection, another enzyme called phosphodiesterase type 5 (PDE5) breaks down cGMP, causing the smooth muscles to contract and blood flow to decrease. Sildenafil in Suhagra inhibits the action of PDE5, preventing the breakdown of cGMP. This results in the prolonged presence of cGMP in the penile tissues, allowing the smooth muscles to remain relaxed and the blood vessels to stay dilated.

4. Enhanced Erection: By preventing the degradation of cGMP, Suhagra helps sustain the increased blood flow to the penis. This leads to a firmer and longer-lasting erection, improving the ability to engage in sexual activity.