Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 00:58

Charles Bonnet syndrome
Parkinson's disease
Withdrawal from benzodiazepines
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Stress
Pharmaceutical drug (abuse or side effects)
Alcohol withdrawal
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Bipolar disorder
Migraines
PTSD
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Seizures
⁉️sources from my experiences and internet research ⁉️
Affective disorders
Grief (yes, sadly)
Hallucinogen use
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
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Brain Tumors
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Dementia with Lewy bodies
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Delirium tremens
Head injury
Infection
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Sleep disorders
Narcolepsy
Fever
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Alcohol
Mental disorder
Alzheimer's disease,
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