Let your doctor know if you develop any of the following signs or symptoms of thyroid disease.
Nervousness, irritability, or mood changes
Decreased exercise tolerance, weakness, and tiredness
Hand tremors, a rapid, pounding, and/or irregular heartbeat and shortness of breath (even when resting)
Intolerance of warm temperatures, excessive sweating, and warm, flushed skin that may be itchy
Soft stools and an increased number of stools
Fine, brittle hair
Appetite and weight changes, particularly weight loss despite an increased appetite (Weight gain can also occur.)
Irregular or absent menstrual flow in women
Worsening of blood glucose control and increased insulin requirements
In adults, hypothyroidism usually develops slowly. Symptoms may take months or years before they are noticed, and they are often attributed to aging.
Sensitivity to cold temperatures
Dry skin, brittle nails, and dry, coarse hair or hair loss
Feeling weak, sluggish, or drowsy
Memory problems, depression, or difficulty concentrating
Heavy or irregular menstrual periods in women
Swelling in the throat area caused by an enlarged thyroid
Swelling of arms, hands, legs, and feet and facial puffiness, particularly around the eyes
Muscle aches and cramps
Hypothyroidism in children before age three can lead to mental retardation. Early symptoms may include the following:
Poor appetite and choking while nursing
Failure to gain weight and grow
A hoarse cry
Protruding abdomen In young children, hypothyroidism affects physical development. In older children, it can cause behavioral changes, weight changes, poor school performance, slow physical development, and delayed sexual development.
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