There is another hormone t3 which some folks take as well as levothyroxine.However it is too early yet to know if your husband needs it. He needs to be on levothyroxine first and on a big enough dose for his TSH to come down to nearer 1.
If your husband is sensitive to levothyroxine you can split the daily dose to take half in the morning and half later in the day or at bedtime. It just needs to be taken away from food or other medications.I had to split my daily dose as it made me feel ill if I took it in one go
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