Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 01:22

Charles Bonnet syndrome
Migraines
Stress
Bipolar disorder
Alcohol
Parkinson's disease
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:
Fever
PTSD
Withdrawal from benzodiazepines
Narcolepsy
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Alzheimer's disease,
Brain Tumors
Dementia with Lewy bodies
Alcohol withdrawal
⁉️sources from my experiences and internet research ⁉️
Mental disorder
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Sleep disorders
Infection
Head injury
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Delirium tremens
Pharmaceutical drug (abuse or side effects)
Grief (yes, sadly)
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Affective disorders
Hallucinogen use
Seizures