Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 03:44

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