Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 05:08

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