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 17:15

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

Fever

Head injury

Delirium tremens

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Migraines

Narcolepsy

Dementia with Lewy bodies

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Stress

Pharmaceutical drug (abuse or side effects)

Mental disorder

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Parkinson's disease

Grief (yes, sadly)

Seizures

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Charles Bonnet syndrome

Withdrawal from benzodiazepines

Bipolar disorder

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Alzheimer's disease,

Alcohol withdrawal

⁉️sources from my experiences and internet research ⁉️

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Alcohol

PTSD

Brain Tumors

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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).

Hallucinogen use

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

Affective disorders

Infection

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