Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 00:08

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