Assessing a Patient with Hallucinations, Paranoia, and Anxiety

What diagnosis should be considered for a patient with initial complaints of auditory hallucinations, paranoia, and anxiety?

A 40-year-old Caucasian male is on permanent disability and lives with his wife and four children. The patient’s initial complaints were auditory hallucinations, paranoia, and anxiety. What diagnosis should be considered? What is the rationale for the diagnosis? Are there any other diagnoses? What is the rationale for the diagnosis? Are there any screening tools that can be used with this patient? What differential diagnoses should be considered? What treatments would you prescribe, and what is the rationale?