Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 00:27

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