The primary indication for the medication Fildena 100mg is male ED. It can also be included in the popular medication Viagra. Fildena.us increases blood flow to the penis, which aids a man in achieving and maintaining an erection while he is sexually stimulated. Similar to Viagra, Fildena 100 vs Viagra is a prescription medication that must only be taken under a physician’s guidance. This is crucial to keep in mind. Depending on the particular health and medical history of each patient, a licensed healthcare professional should provide advice on the appropriate dosage and method of usage.