Where can I find the official rules?
If the medication was prescribed yes
Google New Horizons DOT
"Handling of Mobility Aids and Assistive
Devices
To the extent consistent with various safety
and security regulations, passengers may bring on
board and use ventilators and respirators, powered
by non-spillable batteries. Assistive devices
brought into the cabin by an individual with a
disability shall not count toward a limit on carry-
on items."