Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 11:18

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