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 00:07

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

PTSD

Dementia with Lewy bodies

Alcohol withdrawal

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Brain Tumors

Infection

Bipolar disorder

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Sleep disorders

Grief (yes, sadly)

Pharmaceutical drug (abuse or side effects)

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Hallucinogen use

Stress

Alcohol

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Head injury

Delirium tremens

Narcolepsy

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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:

Alzheimer's disease,

Fever

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⁉️sources from my experiences and internet research ⁉️

Withdrawal from benzodiazepines

Affective disorders

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Parkinson's disease

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

Charles Bonnet syndrome

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Seizures

Migraines

Mental disorder

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