Suhagra 100 mg contains Sildenafil Citrate, which belongs to a class of medications known as phosphodiesterase type 5 (PDE5) inhibitors. PDE5 is an enzyme that can reduce blood flow to the penis. When sexual arousal occurs, the body naturally releases a compound called nitric oxide, which helps relax the smooth muscles in the penis, leading to increased blood flow and, consequently, an erection.

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