Aripiprazole side effects?

I began taking 1/2 of a 2 MG pill on 2/10 and saw an almost immediate improvement in serious depression and complicated grief/ptsd.  BUT I am very sensitive to meds and what is now happening is:

My resting pulse went from 65 to mid 80s at night (I take the pill in the AM)

I am staying up later and later, don't want to go to sleep, then have very odd dreams

I am having preventricular contractions (PVCs) frequently, these are benign but it is beginning to be scary

Has anyone else had these side effects?  I've left a message for my P Dr., I did not take the med this morning.  TY.

You need to take the full dose as agreed with your GP 

Medications can cause side effects, although if you are taking half doses you will not get the full benefit of your mediation. However if you  are getting side effects talk to your Doctor

Be brave with your medications and follow your Doctors advise

BOB

She's not a GP, she's a psychiatrist.  1/2 of the 2MG pill is what she prescribed, not the full dose.  Rapid heart rate is not an acceptable side effect.  I'm looking for other people who have had reactions like this to see what happened.