The drug Fildena, which contains sildenafil citrate, usually takes 30 to 60 minutes to begin acting. However, a person's metabolism, food intake, and general health can all affect when an effect starts. When a guy has erectile dysfunction, it can be challenging for him to achieve and sustain an inadequate erection. It is among the most prevalent forms of male sexual dysfunction. To prevent overdose symptoms, do not take more than one pill of the prescribed medication within 24 hours of the preceding dose. However, be sure to swallow it whole. Never chew or crush the medication.