2 doctors weighed in:

How long can side effect last from westhroid hypothyroid medication?

2 doctors weighed in
Dr. Giuseppe Barbesino
Internal Medicine - Endocrinology
1 doctor agrees

In brief: Days to 1-2 weeks

Westhroid contains both T3 (liothyronine) and t4.
T4 lasts longer, so if your side effects come from T4 it may takes 1-2 weeks. If you have taken an excessive dose of westhroid it may take longer for your body to clear it.

In brief: Days to 1-2 weeks

Westhroid contains both T3 (liothyronine) and t4.
T4 lasts longer, so if your side effects come from T4 it may takes 1-2 weeks. If you have taken an excessive dose of westhroid it may take longer for your body to clear it.
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