Can cholesterol medication interfere with diabetic medications?

Any medication can interfere with another medication. Many different cholesterol medicines exist. Different diabetic medications exist. Your pharmacist is trained to recognize known drug interactions. If you think that is the problem, ask him or her. If it is, you can check with your physician to change your prescription.

If it is not your problem, then go back to your physician and get your physician to figure out what to do about the problem.