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 08:28

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

Grief (yes, sadly)

Seizures

Stress

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Head injury

Hallucinogen use

Fever

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Migraines

Narcolepsy

Parkinson's disease

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Delirium tremens

Alzheimer's disease,

Mental disorder

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Alcohol

Bipolar disorder

Affective disorders

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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:

Infection

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Charles Bonnet syndrome

Pharmaceutical drug (abuse or side effects)

Sleep disorders

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Dementia with Lewy bodies

PTSD

Withdrawal from benzodiazepines

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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).

Alcohol withdrawal

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