Causes

Missed meals, alcohol and insulin overdose cause hypoglycaemia

cause of hypoglycaemia	%
missed meal b c	25% to 52%
alcohol	22% to 48%
unidentified causes	19% to 24%
insulin overdosage (deliberate or accidental)	15% to 20%
exercise	6% to 14%
multiple causes	25%
drugs (propranolol, glibenclamide, and metoprolol)	4%
renal failure	1%