Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 09:01

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