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 02:20

Affective disorders
Stress
PTSD
Pharmaceutical drug (abuse or side effects)
Migraines
Infection
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Brain Tumors
Charles Bonnet syndrome
Seizures
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Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
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).
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Alcohol withdrawal
Head injury
Parkinson's disease
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Bipolar disorder
Narcolepsy
Fever
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Mental disorder
Alzheimer's disease,
Delirium tremens
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Hallucinogen use
⁉️sources from my experiences and internet research ⁉️
Sleep disorders
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Grief (yes, sadly)
Dementia with Lewy bodies
Alcohol