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 09:57

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

Head injury

Narcolepsy

Bipolar disorder

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Infection

Grief (yes, sadly)

Delirium tremens

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Affective disorders

Alcohol withdrawal

Pharmaceutical drug (abuse or side effects)

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Migraines

⁉️sources from my experiences and internet research ⁉️

Hallucinogen use

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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:

Alcohol

Dementia with Lewy bodies

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PTSD

Withdrawal from benzodiazepines

Charles Bonnet syndrome

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Seizures

Fever

Alzheimer's disease,

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Mental disorder

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

Parkinson's disease

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Sleep disorders

Brain Tumors

Stress

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