Vidalista 40 mg is a medication belonging to the class of phosphodiesterase type 5 (PDE5) inhibitors, which work by increasing blood flow to the penis, thus aiding in achieving and sustaining an erection. While it has shown efficacy in many cases, it's essential to be aware of potential side effects such as headache, flushing, dizziness, and gastrointestinal disturbances.

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