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

Last Updated: 01.07.2025 07:59

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

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

Pharmaceutical drug (abuse or side effects)

Alcohol withdrawal

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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).

Head injury

Delirium tremens

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Parkinson's disease

Stress

Fever

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Sleep disorders

Migraines

Affective disorders

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Withdrawal from benzodiazepines

PTSD

Alzheimer's disease,

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⁉️sources from my experiences and internet research ⁉️

Bipolar disorder

Narcolepsy

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Hallucinogen use

Charles Bonnet syndrome

Infection

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Grief (yes, sadly)

Brain Tumors

Dementia with Lewy bodies

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Mental disorder

Alcohol

Seizures

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