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

Last Updated: 03.07.2025 05:15

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

PTSD

Hallucinogen use

Grief (yes, sadly)

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Alcohol

Infection

Stress

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Pharmaceutical drug (abuse or side effects)

Sleep disorders

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

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Alzheimer's disease,

Narcolepsy

Mental disorder

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⁉️sources from my experiences and internet research ⁉️

Migraines

Fever

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Affective disorders

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

Dementia with Lewy bodies

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Head injury

Delirium tremens

Seizures

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Alcohol withdrawal

Withdrawal from benzodiazepines

Parkinson's disease

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Brain Tumors

Bipolar disorder

Charles Bonnet syndrome

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