Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 25.06.2025 00:34

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