am in my second week of mirtazapine started on 15mg now up to 30mg have been feeling a smidge bit better but today i feel bad again.do you think its a blip or are the tablets not working? i know that they take 2-4 weeks to start working so im hoping with all my might that they do.feeling shaky,anxious and the more i think about how im feeling the worse i feel .can so one give me any kind words.