How can I distinguish hyperthyroidism from hypomania? I can no longer tolerate lithium and at 0 level, with Synthroid still taken at 0.112, I get excessive hyperactivity, energy, hunger, tremors, and anxiety. This happens after taking the Synthroid in a.m. and is palliated by lithium, which has now become toxic (40 yrs. on it) and I can no longer tolerate.

I hope to ask my question again to a psychiatrist; I have already asked general physicians, and it seems to be a puzzle.

Thank for reading, and excuse me if I have repeated this question before