Male impotence is treated with Fildena 100 vs Viagra . For the treatment of erectile dysfunction, this medication is quite helpful and effective. Only men who are at least eighteen years old should use this medication. Sildenafil, an ingredient in this medication, aids in sustaining a powerful erection during sexual activity. Take this medication an hour before sexual activity. This medication has a 3 to 6 hour half-life. Fildena is available for purchase online from our store. When using this medication, avoid fatty meals and alcoholic beverages. This medication has a 36-hour half-life. Follow your doctor's advice when taking this medication.