Sildenafil citrate is a phosphodiesterase type 5 (PDE5) inhibitor, which works by increasing blood flow to the penis when sexually stimulated. This improved blood flow helps men achieve and maintain an erection suitable for sexual activity.Manforce 50 mg is typically taken orally, as needed, approximately 30 minutes to 1 hour before anticipated sexual activity. It's essential to follow the dosage instructions provided by a healthcare professional and not exceed the recommended dose.