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Results

Among these children manifesting both with or without fever, regardless of the elevated CRP concentration and of the type of infection (viral or bacterial), elevated TSH values are found in about 10% of patients, and they go back to normal values after resolution of symptoms. A prospective analysis showed a reduction of TSH values in approx. 65% of all examined children, and the TSH results at the control time point were significantly lower than during acute infection.

Conclusion

It seems that TSH levels should not be assessed during an acute infection. If thyroid dysfunction is suspected, the examination should be performed in the healthy state.