Some of us are VERY sensitive to thyroid meds. The doses your doctor "wants you to" take are probably either too high for you or the increases have been too rapid. Yes, you will bew able to be successfully treated, but that treatment has to go at YOUR pace, not your doctor's.
Please post your most recent free T3, free T4 and TSH results along with their reference ranges.
What thyroid meds are you taking and what's your dose? How long have you been being treated altogether?
I'm sensitive to everything, also. They don't wajt to listen to me, either.