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

Last Updated: 30.06.2025 09:22

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

Head injury

Delirium tremens

Alcohol withdrawal

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Stress

Grief (yes, sadly)

Withdrawal from benzodiazepines

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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).

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

Parkinson's disease

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Charles Bonnet syndrome

Mental disorder

⁉️sources from my experiences and internet research ⁉️

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Alzheimer's disease,

Sleep disorders

Brain Tumors

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Hallucinogen use

Pharmaceutical drug (abuse or side effects)

Infection

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Seizures

Narcolepsy

Dementia with Lewy bodies

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Migraines

Alcohol

Fever

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Bipolar disorder

PTSD

Affective disorders

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