Final answer:
Myxedema commonly presents with symptoms such as hypothyroidism, low body temperature, irregular heartbeat, and thyroid problems. Weight gain, cold sensitivity, and reduced mental activity are often experienced as well.
Step-by-step explanation:
Common problems associated with myxedema include hypothyroidism, low body temperature, irregular heartbeat, and thyroid problems. Other symptoms may include anemia, bone fractures, and low concentration of white blood cells. Patients with hypothyroidism may also experience weight gain, cold sensitivity, and reduced mental activity.