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 02:15

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