Fildena 100mg purple is an oral medication taken with water. It is recommended to take it about 30 to 60 minutes before planned s*xual intercourse. It can be taken with or without food. On the other hand, a fatty meal can cause brief erectile dysfunction. It is always best to avoid fatty foods before taking the medication. Before taking the medication, the patient should avoid drinking alcohol and smoking, as this can reduce the effectiveness of the treatment. Fildena 150mg is strongly recommended to use the medication only under medical prescription and according to the prescribed dosage.