Your doctor may order a creatinine test to assess the health of your kidneys. A high creatinine level could be a sign of an issue such as chronic kidney disease (CKD). Creatinine is a waste product ...

Possible causes of low creatinine levels are low muscle mass, liver problems, dietary factors, and pregnancy. If creatine levels are low, it could indicate that the liver or muscles are not working as ...

Wendy Wisner is a journalist and international board certified lactation consultant (IBCLC). She has written about all things pregnancy, maternal/child health, parenting, and general health and ...