It is very important for his healthcare provider to check his sugars during such episodes. Sometimes fall in sugars called hypoglycaemia
can present with unusual manifestations. His calories are fine if he is overweight
however otherwise it is on the lower side. Also there is a possibility that his other medications may interact with diabetes
medications and may cause change in the drug levels. Have all these things checked with your healthcare provider. His calories once again are probably two low .
Dr. Om Lakhani.