Fildena 100 mg is a PDE5 inhibitor group of drugs for treating Erectile Dysfunction (ED). The medicine contains Sildenafil Citrate as its chemical ingredient. Also, the medicine is known as Generic Sildenafil or Generic Viagra. Additionally, Fildena 100 mg is less expensive than branded Sildenafil Citrate pills. The treatment comes in various strengths, depending on the severity of the patient’s condition.