What should be the time interval between Encorton, Berodual, Nebbud and Contrahist?

It is difficult to propose a specific dosage regimen based on such a short description. The dosage is selected individually for a given disease, so in your case it should be determined by a doctor. This question should be directed to the attending or family doctor, because they have full documentation of your health. If you are unable to get to your doctor, the gdziepolek.pl service also allows you to obtain a teleconsultation with your doctor: https://www.gdziepolek.pl/telekonsultacja There are some interactions between the drugs mentioned by you. The combination of Berudual, Nebbud and Encorton in the therapy may cause an excessive decrease in the concentration of potassium in the blood and an increase in glucose concentration. They can only be used if they have been prescribed by the same doctor or if the doctors prescribing these preparations have been informed about what other drugs the patient is already taking. Between their use, please keep a break of several hours, a minimum of 2-3 hours. It is worth eating foods rich in potassium (eg: tomatoes, green vegetables, buckwheat, bananas, raisins and others). If the doctor has prescribed preparations containing potassium - please follow his recommendations. Tell your doctor if you have any symptoms that are of concern to you. I enclose additional information that may be helpful: https://www.gdziepolek.pl/artykuly/czy-przyjmowanie-kilku-lekow-jednoczesnie-jest-bezpieczne https://www.gdziepolek.pl/artykuly/czy-mozna-laczyc-leki-ze-soba