Can amiodarone cause hypothyroidism?
Mar 17, 2025
Source: Cainiu Health
Dr. Yang Chuanjia
Introduction
The common dosage form of amiodarone is capsule. Long-term use or individual sensitivity to amiodarone may lead to hypothyroidism; however, short-term use may not cause hypothyroidism. If a patient's thyroid function was originally normal and the individual is not sensitive to amiodarone, symptoms of hypothyroidism may not occur after using amiodarone.
Amiodarone is commonly formulated as capsules. Prolonged use or individual sensitivity to amiodarone may lead to hypothyroidism; however, short-term use and lack of individual sensitivity to amiodarone may not result in hypothyroidism. If concerned, it is recommended to consult a healthcare professional in advance. Detailed analysis is as follows:
Patients using amiodarone long-term may experience drug accumulation in the body. After deiodination of amiodarone in the body, the released iodine can affect normal thyroid function by inhibiting the synthesis and release of thyroid hormones, thereby causing hypothyroidism. Additionally, some patients may be particularly sensitive to amiodarone and may develop symptoms of hypothyroidism even with short-term use.
However, not all patients using amiodarone will develop hypothyroidism. In cases of short-term amiodarone use, the drug is relatively quickly metabolized and excreted from the body, and its impact on the thyroid may be minimal. Moreover, if a patient's thyroid function was originally normal and they are not sensitive to amiodarone, they may not experience symptoms of hypothyroidism after using amiodarone.
It is recommended to maintain a healthy lifestyle, ensure adequate sleep, improve dietary habits, adjust physical condition, and promote overall health.
