Before delving into Fildena's mechanism, it's essential to grasp the basics of erectile dysfunction. An erection occurs when blood flow increases to the penis, leading to its engorgement and firmness. This process involves the release of nitric oxide, which relaxes the smooth muscles in the penile arteries, allowing them to widen and facilitate blood flow. ED can result from various factors, including diabetes, hypertension, stress, and psychological issues, disrupting this intricate process.

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