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 06:34

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