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 00:26

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