Fildena 100 is a prescription medicine that helps treat erectile dysfunction(impotence). It works by increasing blood flow to the penis. It belongs to a group of drugs called phosphodiesterase type 5 (PDE 5) inhibitors. This drug is safe and effective when taken as directed by your doctor. It can be used to treat erectile dysfunction in men who are at least 18 years old. It is not recommended for use in children. It may increase the chance of death in young children with pulmonary arterial hypertension (PAH). Sildenafil citrate is the active ingredient of Fildena 100. It is an anti-impotence medication that increases blood flow to the penis, resulting in a hard erection. It is taken orally, usually as needed, about 30 minutes to 1 hour before sexual intercourse. The dosage can be increased by your doctor if necessary. It is also important to keep a close eye on your weight while taking this medication. Overweight men may have more difficulty getting an erection while taking this medicine. Other Info: Fildena 150