Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 11:45

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
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).
Affective disorders
Seizures
Migraines
Charles Bonnet syndrome
PTSD
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Delirium tremens
Grief (yes, sadly)
Narcolepsy
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Alcohol withdrawal
Infection
Stress
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Alzheimer's disease,
Brain Tumors
Mental disorder
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Fever
Dementia with Lewy bodies
Alcohol
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Sleep disorders
Head injury
⁉️sources from my experiences and internet research ⁉️
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Hallucinogen use
Pharmaceutical drug (abuse or side effects)
Bipolar disorder
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