Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 00:59

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