Sildenafil citrate belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. It works by increasing blood flow to the penis during sexual stimulation, allowing men to achieve and maintain an erection.
Sildenafil citrate belongs to a class of medications called phosphodiesterase type 5 (PDE5) inhibitors. It works by increasing blood flow to the penis during sexual stimulation, allowing men to achieve and maintain an erection.
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