Jeff Lerner wrote:

5. She took more motion sickness pill's which seemingly didn't work.
Requested an injection of some kind of anti motion sickness medication
administered by the Soyuz crew...didn't work too well. Got a stronger
injection of the same medication the next day which apparently either
worked or by this time she adjusted to weightlessness.
I'd hazard a guess it was mostly the latter. Two days is the said to be
the typical adapation time, and she hasn't mentioned further trouble on
ISS. It was interesting to see a first hand account of how unpleasent
SAS can be.

Here's the link in case anyone wants to read it first hand
http://spaceblog.xprize.org/