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 17:10

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