Symptoms include low blood sugar, tingling of lips and tongue, nausea, yawning, confusion, agitation, tachycardia, sweating, convulsions, stupor and coma. Intoxication with sulfonylureas can cause hypoglycemia and are best managed with glucose administration (orally for milder hypoglycemia or by injection in more severe forms). Patients should be monitored for a minimum of 24-48 hours after ingestion.