There are numerous causes that can cause hypoglycemia and it can be difficult to remember. An easy mnemonic is ‘Re-ExPLAINeD’. This mnemonic can help retain all the causes of hypoglycemia. R = renal failure Ex = exogenous insulin P= pituitary dysfunction L = liver disorders such as hepatitis, acetaminophen toxicity etc A = alcoholism, adrenal insufficiency I = infection, insulinoma Ne = neoplasm D = drugs e.g., aspirin, beta-blockers Reference: https://www.jems.com/patient-care/assessment-treatment-of-five-diabetic-emergencies/ Image credits: https://www.diabnext.com/hypoglycemia-recognizing-it-and-managing-it/