Final answer:
Myxedema coma is a rare complication of severe hypothyroidism. Symptoms include extreme fatigue, low body temperature, confusion or coma, and difficulty breathing.
Step-by-step explanation:
Myxedema coma is a rare, life-threatening complication of severe hypothyroidism. It occurs when the body's thyroid hormone levels become dangerously low. Common symptoms of myxedema coma include extreme fatigue and drowsiness, low body temperature, slow heart rate, confusion or coma, and difficulty breathing.