Fildena 150 mg may be helpful for men with erectile dysfunction. This medication contains sildenafil citrate, an inhibitor of phosphodiesterase type 5. Its main objective is to improve blood flow to the organ, which facilitates the establishment and maintenance of stimulation. Depending on how each patient responds to the medication, the ideal dosage for Fildena 150 may vary. Consult a healthcare professional right once, and carefully follow any instructions or dosage suggestions made. The prescription medication Fildena 150 is recommended for males who are at least 18 years of age. Although each experiences Fildena 150 differently, it usually takes effect 4 hours after ingestion.