Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 23.06.2025 17:00

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