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 01:44

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

Seizures

Fever

Parkinson's disease

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Infection

Head injury

Bipolar disorder

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⁉️sources from my experiences and internet research ⁉️

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

Dementia with Lewy bodies

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Delirium tremens

Grief (yes, sadly)

Alcohol

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Hallucinogen use

Brain Tumors

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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Sleep disorders

PTSD

Migraines

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Narcolepsy

Affective disorders

Alcohol withdrawal

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Charles Bonnet syndrome

Withdrawal from benzodiazepines

Stress

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Mental disorder

Alzheimer's disease,

Pharmaceutical drug (abuse or side effects)

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