Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 14:53

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