Hydantoins + Liothyronine Sodium Interaction

Moderateinteraction on record

Description

May cause protein binding site displacement. Phenytoin reduces serum protein binding of thyroid hormones, with total and FT4 reduced 20-40%, but most patients remain clinically euthyroid. Closely monitor thyroid parameters.

Mechanism

Reduced serum protein binding of thyroid hormones

Source: NLP:liothyronine sodium