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The eye blinking sounds like some sort of movement problem. A bit like a tic in fact.
I'm not a doctor but some of those things you mention may be side-effects from the medications.
I have seen PubMed articles describing onset of tics while on Zoloft/Sertraline (Rare). Also seen reports of onset of movement disorders while using Geodon/ziprasidone.
NeuroTalk Medications Forum
You might like to repost your message over on the Medications Forum for some more insight.
I would definitely talk to your doctor about these symptoms ASAP!