Which of the following symptoms is commonly associated with hypothyroidism?

• A. Increased energy levels
• B. Weight loss
• C. Cold intolerance
• D. Excessive sweating

Answer: (C)

Hypothyroidism is a condition characterized by an underactive thyroid gland, which leads to a decrease in thyroid hormones. One of the hallmark symptoms of hypothyroidism is cold intolerance. This occurs because thyroid hormones play a critical role in regulating metabolism and maintaining body temperature. When there is a deficiency in these hormones, the body's ability to generate heat is impaired, resulting in an increased sensitivity to cold.

Individuals with hypothyroidism often report feeling unusually cold, even in warm environments. This symptom is closely tied to the overall metabolic slowdown that occurs with insufficient thyroid hormone levels. Therefore, cold intolerance is a classic symptom that can help in identifying and diagnosing hypothyroidism.

In contrast, increased energy levels, weight loss, and excessive sweating are typically associated with hyperthyroidism, where the thyroid gland is overactive and produces too much hormone, leading to a higher metabolic rate and increased heat production.