Creatinine is a more important indicator to reflect the renal function of the patient. Slightly low blood creatinine may be caused by physiological reasons, or muscle atrophy, anemia, etc., which is generally not related to the renal function damage.
Creatinine can be produced by muscle, and the amount of creatinine produced every day is relatively constant, and it is excreted by glomerular filtration. If a patient has a low blood creatinine, in most cases this suggests that the patient does not have kidney disease. It may be due to wasting, or less exercise. It may also be due to aging, such as the low creatinine seen in the elderly.
It may also be due to progressive muscle atrophy, anemia and other causes, resulting in malnutrition, reduced muscle content, may also appear low creatinine. It is usually not very related to kidney function.
Patients with mildly low blood creatinine should go to the hospital in time and be treated under the guidance of professional physicians.