Cytomel , also medically known as liothyronine, is a thyroid hormone used to treat symptoms of hypothyroidism (low thyroid levels), including muscle pains, dry skin, fatigue, constipation, slow heartbeat, weight gain, sensitivity to cold, or loss of hair. Cytomel is also used to control goiter (enlarged thyroid gland).
Side effects of Cytomel are uncommon. However, they may occur including headache, nervousness, vomiting, upset stomach, diarrhea, irritability, tremor, insomnia, sweating, weight loss or increased appetite.
Cytomel may also be used to treat other conditions, as suggested by your doctor.