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 23:52

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