Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 10:31

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