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 11:33

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