Fildena 100 mg, a medication containing sildenafil citrate, typically takes around 30 minutes to one hour to start taking effect after ingestion. However, this can vary based on individual factors such as metabolism, stomach contents, and overall health. The peak effectiveness of Fildena 100 mg is usually reached within 2 hours of consumption. It is important to note that sexual stimulation is required for the medication to work effectively. The duration of Fildena 100 mg’s effects can last up to 4-6 hours, providing a window of time for a satisfactory sexual experience. Patients should follow their healthcare provider’s guidelines on dosage and timing for optimal results and safety.