Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 11:31

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