I’m hypothyroid, diagnosed just over 3 years ago but my TSH has been on the high side for years. In the UK getting diagnosed and being “bad” enough to be prescribed thyroid replacement is an uphill struggle.
It seems the criteria is harder than in almost any other country bar Canada. I definitely found my migraines got far more frequent and severe once I started on Levothyroxine, but whether it was the medication or the fact my thyroid was failing, is anyone’s guess. I know there is a lot of evidence of vestibular issues such as hearing loss, tinnitus etc being more common in those with thyroid dysfunction.