Fildena 100 contains Sildenafil citrate, which is a medication used to treat erectile dysfunction (ED) in men. The duration of Fildena 100's effects can vary from person to person based on individual factors such as metabolism, dosage, and overall health. However, in general, the effects of Fildena 100 typically last for about 4 to 6 hours after ingestion.

During this time, Fildena 100 mg can help men achieve and maintain a strong and lasting erection when sexually stimulated. It's important to note that the duration of action may be influenced by factors such as food intake (especially fatty meals) and alcohol consumption.

It's essential to use Fildena 100 as directed by a healthcare professional. It's also important to discuss any potential side effects, drug interactions, or underlying health conditions with your doctor before using this medication.