體位性低血壓(orthostatic hypotension),midodrine 5 mg TID, 白天活動時用。
Check TSH/FT4, B12, HA1C.
Midodrine 5 mg 3 times a day during the day, can be up to 10 mg TID, do not take when sleep.
https://my.clevelandclinic.org/health/diseases/9385-low-blood-pressure-orthostatic-hypotension