"G.R. Patterson III" wrote:

According to the AOPA medications database, the only motion sickness medicines
that are specifically prohibited are scopolamine and meclizine. You should
check with the AOPA medical hotline or an AME about others.

Dramamine = Meclizine HCl
(and that's the "less drowsy" formula)

I sailed in a yacht race a few years ago, and all the landlubbers who took
Dramamine were completely worthless. They certainly weren't sick, but they
were mostly asleep.