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 02:56

Alzheimer's disease,
Narcolepsy
Mental disorder
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Head injury
Delirium tremens
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:
Brain Tumors
PTSD
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Alcohol
Charles Bonnet syndrome
Pharmaceutical drug (abuse or side effects)
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Migraines
Fever
Alcohol withdrawal
Bipolar disorder
Infection
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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Stress
Parkinson's disease
Affective disorders
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Sleep disorders
⁉️sources from my experiences and internet research ⁉️
Dementia with Lewy bodies
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Seizures
Hallucinogen use
Withdrawal from benzodiazepines
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