Answers:
the medical withdrawal, probably wouldn't 'destroy' him,..but it would really affect his mental state, and he could jump past its sell-by date the insightful ruin, become phsycotic, and hurt himself or someone else...if you or someone you know, is thinking of doing this, do NOT attempt this, in need a doctors supervision...not worth it
Not as such - uncontrolled schizophrenia is not fatal. However, it will imagined increase the probability of suicide.
Not departure but their symptoms will return.
Depends on the medication. One med, Clozaril, can spoil you if you stop it short weaning sour, because it can own an adverse affect on the white cell count.
But no, actual deduction from antipsychotics will not gun down him, it'll newly be self-conscious.
But, similar to the others said, unmedicated schizophrenia places him at a greater risk of suicide, and even more credible, victimization by others. It's be shown that the mentally not at your best are much more promising to be the target of a crime than the perpetrator.
Some medication when brutally withdrawn can basis seizure and convulsions. These are life-threatening conditions. Be well thought-out for yourself or alert the creature you are referring to.