Creatinine is a waste product produced naturally by the muscles as they use energy. Healthy kidneys filter it from the bloodstream and excrete it through urine, maintaining balanced levels. When ...

Dear Doctors: My father has diabetes and high blood pressure. Sometimes he fails to follow medical care for these diseases. Now his level of creatinine has reached 2.6 mg/dL, which is very high. He is ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...