There are pharmacological supports that assist with hallucinations. We cannot comment on specific protocols.

Yes. Medication for generalised psychosis is often helpful in treating auditory hallucinations, especially when the hallucinations are in the form of voices. Different types of therapy, including cognitive-behavioral therapy (CBT), also help with auditory hallucinations.

Alan Meaden has written:

'Cognitive therapy for command hallucinations' -- subject(s): Auditory hallucinations, Case studies, Treatment, Cognitive therapy

Sensations or perceptions without an external cause are typically referred to as hallucinations. Hallucinations can be experienced through any of the five senses and are often associated with conditions such as psychosis, dementia, or substance abuse. Treatment for hallucinations may involve addressing the underlying cause and may include medication or therapy.

No, that's why they are called hallucinations!