When you have schizoaffective disorder and depression how does responding constantly to voice, feeling,hallucinations and thoughts affect your mind?

It likely means: that symptoms are not adequately treated. Ongoing psychotic & depressive symptoms that are not treated or are inadequately treated can ultimately negatively affect cognition and other psychiatric symptoms in the future.

HALLUCINATIONS: They appear to come from outside but are caused by your biochemistry. Have a physical exam by a Dr. to know if you have a physical illness. The most complete evaluation for medication is with a Psychiatrist. Consult with a Clinical Psychologist for psychotherapy to help with ZOOM. Your fears and anxiety are heightened by the Covid-19 pandemic. Stay safe and hopeful to elevate your immune system.