I know of a few ideas I've come across on my travels.
Try not having drinks with food.
Try avoiding hot food.
Some find sugar makes things worse (as in, keeping blood sugar levels average, rather than up and down).
Berocca might help.
Rest as much as you can.
Stay well hydrated.
Fresh air.
Apparently sea sickness bands might help.
Anything ginger, tea might work.
Smelling fresh lemon.
Low sugar snacky food ideas - vegemite toast, easymac (prob no nutritional value, but low sugar I think), dim sims, low sugar cereal, fish and chips, tuna, crackers, weak cordial.
Nausea sucks hey.

You might find as the weeks progress that you can throw up, which is no fun except that you might feel better afterwards.
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