Correct, football players go to locker room all the time for a bag of fluid and come back out like nothing happened on hot game days.
Has anyone mentioned diabetes and a sugar crash? Seen a ton of those up close, they can knock you down, and a spoonful of sugar/oj/honey/ etc.. brings you back in half hour or so.
Sugar with her weight is a possibility But she would keep a piece of candy handy and wouldn’t be eating the cough drops like candy