No that can't happen but if you have that concern you should think back if you always did and when it started and discuss it with your psychiatrist.
Well actually medications for schizophrenia generally can make you not able to work due to side effects. All medications have side effects and they can be severe like this, especially at high doses. Perhaps you should ask your doctor to try a new medication. I honestly don't know if someone can actually cause schizophrenia but I can tell you mine wasn't caused by another person and rather environmental factors and sort of myself since I caused my own head injury that caused everything to become strikingly different from then on.
side -effects are only temporary