Oral Anticoagulants + Levothyroxine And Liothyronine Interaction

Majorinteraction on record

Description

Thyroid hormones increase catabolism of vitamin K-dependent clotting factors, impairing compensatory synthesis. Patients may require reduced anticoagulant dosage when starting thyroid replacement.

Mechanism

Increased catabolism of vitamin K-dependent clotting factors

Source: NLP:levothyroxine, liothyronine