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 00:12

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