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 12:40

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