Withdrawals from alcohol are unpredictable and can be dangerous. If you are concerned, please talk to your dr. He can advise you. Does your dr know you are not taking the medication he prescribed? As for the anxiety, it should bother you less once you have stopped drinking.
Our deepest fear is not that we are inadequate. Our deepest fear is that we are powerful beyond measure. It is our light, not our darkness that most frightens us.