Filitra 40 mg is a medication used to treat erectile dysfunction (ED) in men. The active ingredient in Filitra 40 mg is likely Vardenafil, which belongs to a class of drugs known as phosphodiesterase type 5 (PDE5) inhibitors. This medication works by increasing blood flow to the penile during physical stimulation, helping men achieve and maintain an erection. It's important to note that you should only take Filitra 40 mg or any other prescription medication under the supervision and guidance of a healthcare professional. They can provide information about the proper dosage, potential side effects, and any contraindications with other medications you may be taking.