i work in a doctors office and i am working with a women who talks to me like im a dog. ive have complained to

her and then to the office manager which seems to have made it worse.now she is saying that im not catching on as quickly as i should.i dont understand this since i have 7 yrs experence in this field. ive tried ignoring her but it doesnt do any good. ther are days i go home sick and have a horrible headache. i dont know what to do.i ve seem to have lost all my confidence