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

Last Updated: 02.07.2025 13:41

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

Charles Bonnet syndrome

PTSD

Grief (yes, sadly)

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Brain Tumors

Alcohol withdrawal

Migraines

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Head injury

Seizures

Hallucinogen use

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Bipolar disorder

Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:

Affective disorders

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Alzheimer's disease,

Sleep disorders

Dementia with Lewy bodies

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Delirium tremens

Fever

Parkinson's disease

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Pharmaceutical drug (abuse or side effects)

Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).

Withdrawal from benzodiazepines

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⁉️sources from my experiences and internet research ⁉️

Stress

Alcohol

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Mental disorder

Infection

Narcolepsy

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