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 19:25

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