Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 23.06.2025 12:05

Head injury
Seizures
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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Brain Tumors
Withdrawal from benzodiazepines
Delirium tremens
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Stress
Fever
Charles Bonnet syndrome
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Migraines
Bipolar disorder
Alcohol
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Dementia with Lewy bodies
Parkinson's disease
Affective disorders
Sleep disorders
PTSD
Grief (yes, sadly)
Infection
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,
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Pharmaceutical drug (abuse or side effects)
Alcohol withdrawal
Narcolepsy
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Hallucinogen use
Mental disorder
⁉️sources from my experiences and internet research ⁉️