Welcome to HCM. I have gone through your question and understand your concerns.
It may not be relate to your thyroid
or your medications. Are you having giddiness or vomiting? Is it more in morning or evening. Please consult a doctor and have your selves checked. It could be due to migraine
, but you have to rule out other causes.
Hope I have answered your query. If you have any further questions I will be happy to help
With warm regards,
Dr Ajish TP (MD,DM)