Fildena pills are generally safe to use, but it may interact with certain medications or foods. Alcohol and grapefruit, for example, will reduce the effectiveness of Fildena reviews pill. If you are taking any other medication, you should tell your doctor. Also, you should avoid taking Fildena pills with high-fat meals. The recommended daily dosage of Fildena is one tablet, taken orally. It should be taken on an empty stomach. If you take more than one tablet a day, you should avoid missing the next dose until the next day. You should also avoid taking the drug when you are not sexually active, or when you are experiencing extreme or severe side effects.