Somogyi effect

noun
So·​mo·​gyi effect | \ ˈsō-mō-jē- How to pronounce Somogyi effect (audio) \

Medical Definition of Somogyi effect

: hyperglycemia following an episode of hypoglycemia especially : hyperglycemia that occurs after breakfast following nocturnal hypoglycemia and that may occur in type 1 diabetes especially when too much insulin has been taken the day before

called also Somogyi phenomenon

— compare dawn phenomenon