Hi, welcome to our site. I am Dr Saumya Mittal.
Read your query. That is a very significant question and i appreciate your problem. I will try my best to answer your query
There could be many reasons for this. What i feel probably happened was that he developed
dehydration, possibly due to loosemotions and vomitting.
The dehydration would have led to renal compromise. This is very common because diabetics have compromised kidneys even normally.
Now because of
renal failure, the medicine he was taking would not be well excreted, resulting in accumulation of the medicine in the body, and subsequent fall of blood sugars.
I hope this helps you. Best of luck.
I have given you the answer to the maximum considering the information provided. The results of the tests could further enhance my answer to you.
Please do understand that some details could be extracted from a detailed history and examination.
Looking forward to your return query with the details asked so that I can help you further.
(If the answer has helped you, please indicate this)