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 08:44

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