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 01:00

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

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

Hallucinogen use

PTSD

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Seizures

⁉️sources from my experiences and internet research ⁉️

Alcohol

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Charles Bonnet syndrome

Migraines

Stress

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Grief (yes, sadly)

Alcohol withdrawal

Bipolar disorder

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Parkinson's disease

Withdrawal from benzodiazepines

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

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Delirium tremens

Affective disorders

Pharmaceutical drug (abuse or side effects)

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Dementia with Lewy bodies

Infection

Narcolepsy

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Mental disorder

Fever

Sleep disorders

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Head injury

Alzheimer's disease,

Brain Tumors

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