Answer: "Sometimes it causes vomiting"
Explanation:
Hypoglycemia is a medical condition in this the blood sugar level drops than the normal. The symptoms of hypoglycemia are weakness, nervousness ,anxiety, confusion, visual disturbance or blurred vision, loss of consciousness and seizures.
Vomiting is a symptom of hyperglycemia rather than of hypoglycemia. Hyperglycemia is a condition in which the blood sugar level increases considerably.
Based on above information, the vomiting is indicative of hyperglycemia thus the patient require further teaching about hypoglycemia.