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1例29岁女性患者因准备怀孕服用多维元素片（29）（每片含碘150 μg）近1年。孕前检查发现甲状腺功能异常，游离甲状腺素（FTn 4）23.2 pmol/L，游离三碘甲状腺原氨酸（FTn 3）5.56 pmol/L，促甲状腺激素（TSH）0.10 mU/L。遵医嘱立即停用多维元素片（29）。停用该药5 d后复查甲状腺功能仍异常，FTn 4 21.2 pmol/L，FTn 3 5.39 pmol/L，TSH 0.08 mU/L，促甲状腺素受体抗体<0.3 U/L；停药59 d后复查，甲状腺功能恢复正常，FTn 4 16.35 pmol/L，FTn 3 4.97 pmol/L，TSH 2.36 mU/L，考虑患者的甲状腺功能异常为多维元素片（29）所致。n “,”A 29-year-old female patient took vitamins with minerals tablets (29) (each tablet contains 150 μg of iodine) for nearly one year because she was preparing for pregnancy. Abnormal thyroid function was found in pre-pregnancy examination. Her free thyroxine (FT n 4) was 23.2 pmol/L, free triiodothyronine (FTn 3) was 5.56 pmol/L, and thyroid stimulating hormone (TSH) was 0.10 mU/L. According to the doctor′s advice, she stopped taking vitamins with minerals tablets (29) immediately. Five days after discontinuation of the drug, her FTn 4 was 21.2 pmol/L, FTn 3 was 5.39 pmol/L, TSH was 0.08 mU/L, and thyrotropin receptor antibody was <0.3 U/L. The results of re-examination on day 59 after drug withdrawal showed FT n 4 16.35 pmol/L, FTn 3 4.97 pmol/L, and TSH 2.36 mU/L. It was considered that the patient′s thyroid dysfunction was caused by vitamins with minerals tablets (29).n