What causes polyuria in type 1 diabetes mellitus (DM)?

Updated: Oct 13, 2020
  • Author: Romesh Khardori, MD, PhD, FACP; Chief Editor: George T Griffing, MD  more...
  • Print
Answer

Polyuria is caused by osmotic diuresis secondary to hyperglycemia. Severe nocturnal enuresis secondary to polyuria can be an indication of onset of diabetes in young children. Thirst is a response to the hyperosmolar state and dehydration.


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!