Here are a few things to keep in mind before taking Fildena 150 mg or any other Fildena dosage: If you have liver illness, low blood pressure, high blood pressure, kidney disease, an allergic response, or any heart problems, Fildena 150 mg is not recommended for you. When using Fildena 150, avoid drinking alcohol because the drug will take longer to act if you do. If you've had a high-fat meal, don't take Fildena 150mg because the drug's efficacy will be diminished.