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 04:43

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