7th September 2020

An 11-year-old boy is brought to GP with an increased frequency of micturition for the past 3 weeks

An 11-year-old boy is brought to GP with an increased frequency of micturition for the past 3 weeks. This has affected his sleep, where he has been waking up frequently during the night to urinate. Over the past 2 months, he has had 2.8kg weight loss without any change to diet or exercise. He has no personal or family history of serious illness. Vital signs are within normal limits, and physical examination is normal. Urine dipstick is negative for blood, protein and nitrites, glucose is 1+. 

What is the most likely cause of his symptoms?

Select the SINGLE most appropriate option from the list below. Select ONE option only.