question: dizziness unbalanced standing pain pressure cheek eye socket temples was treated 1 week ago ER for tremors/hypomagnesemia heart racing pounding i was diagnosed with thyroid cancer 6 yrs. ago had thyroidectomy levels are ok but have been elevated few times past years with adjustment to dosage im taking 1000mg. magnesium daynow it was 500mg past 6 mos. I am on BP medication also losartan 50mg/bisoprolol-hctz 10-6.25 I want to feel better ,and im still not? Feel scared