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 00:59

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