If you have been taking the same medicine for a long time, you are at higher risk of harmful side effects or other problems. It is important for doctors to do regular lab tests to make sure your medicine is not causing problems.
Your doctor should check to make sure there are no harmful side effects or problems due to taking the same medicine for a long time. Doctors should test your blood to check the drug levels in your body and to make sure that your medicine is not causing any problems. Long-term drugs include drugs to help with high blood pressure, diabetes and mental health.