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Liothyronine

Liothyronine (Cytomel) is a thyroid hormone used to treat an underactive thyroid and the severe thyroid emergency myxoedema coma. This page lists one tablet formulation: Cytomel.

Cytomel

Hypothyroidism, Myxoedema Coma

5mcg

Liothyronine tablets for hypothyroidism and myxoedema coma. It is a synthetic form of the active thyroid hormone T3, acting directly without conversion.

From$1.07/ tabletView

Key points

  • Liothyronine is a synthetic thyroid hormone that replaces the hormone the thyroid gland does not produce enough of.
  • Cytomel is the only listed product, a 5mcg tablet marketed by the originator manufacturer Pfizer.
  • The thyroid hormone affects nearly every system in the body, from heart rate to how food is turned into energy.

The hormone liothyronine is a synthetic form of triiodothyronine (T3), which the body uses to control how quickly cells use energy. As a tablet, it is one way to bring thyroid hormone levels back to normal.

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