Hi there ,
Welcome to Just answer !
I have read your post . Well, the increased sensitivity to sound that you have been experiencing is most probably a side effect of mirtazapine ( it causes hyperacusis ,that is increased sensitivity to sound in the surrounding environment ) , so you need to discuss this side effect with your doctor and need to come off mirtaapine , and do not worry you are already placed on venlafaxine , which alone is sufficient enough to take care of your depression .
Kindly see the link below and concenrate on the special senses side effects to look for hyperacusis being a side effect of mirtazapine .
http://www.rxlist.com/remeron-drug.htm ( see side effects and look for special senses side effects under this head )
Also, since you suspected yourself to be Bipolar 2 disorder, and have frequent mood fluctuations , so what you need to do here is to add 1 Mood stabilizer such as Carbamazepine ( which in addition to its mood stabilizing effect , also helps in alcohol withdrawl , so you will have two benefits from this 1 mood stabilizer drug ) which will prevent such intemporate mood swings and tranquilize your mind .
And as far as your obsessions are concerned you shall add 1 low dose anti psychotic such as risperidone or olanzapine , which together with anti depressant venlafaxine will take care of your obsessions and compulsive rituals .
So, i suggest three changes in your current regime , which will take care of your present symptoms including mood swings and hyperacusis and ocd , so kindly discuss this with your doctor ,and get started on the changes and i am quite sure that you will get relieved of your present sympoms.
I hope this helps..
I wish you all the best..
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Edited by Dr. Kaushik on 10/6/2009 at 9:28 AM EST