Seek medical help: you should seek the help of a doctor to understand your illness and treatment plan. Doctors can give professional advice according to your condition to help you control your condition and improve your quality of life.
Adjust living habits: Good living habits can help you manage diseases better. Avoid drinking and smoking, and maintain a healthy diet and proper exercise.
Look for other job opportunities: Your job needs a health certificate, so you can consider looking for other job opportunities that don't need a health certificate. In this process, you can explain your situation to the human resources department or recruiter to see if they are willing to accept you.