Fildena 50 mg is a medication used to treat erectile dysfunction (ED) in men. Its active ingredient is sildenafil citrate, which belongs to the class of PDE5 inhibitors. It works by increasing blood flow to the penis during sexual stimulation, helping men achieve and maintain an erection suitable for sexual activity. During sexual arousal, the body releases nitric oxide, which triggers the production of cGMP in penile tissue. cGMP relaxes smooth muscles and widens blood vessels, allowing more blood to enter the penis.
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