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 00:45

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