wooly,
I would recommend that you talk to your doctor from home and tell him/her where you are moving to, and ask whether or not your kind of pill is availible there...they should be able to find out. If it is not, then they ask to be put on one that is availible in Doha, but make sure to try it out before you leave because changing pill types can really mess up your body. You want to make sure that what is availible works for you.

Whatever you do, don't just try them randomly based on what is availible in Doha upon arrival, this can lead to serious health problems.
Good Luck!