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 14:49

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

Pharmaceutical drug (abuse or side effects)

Mental disorder

Grief (yes, sadly)

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Delirium tremens

Dementia with Lewy bodies

Alcohol

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Charles Bonnet syndrome

Hallucinogen use

Migraines

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Stress

Alcohol withdrawal

Withdrawal from benzodiazepines

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Parkinson's disease

Infection

Alzheimer's disease,

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PTSD

Seizures

⁉️sources from my experiences and internet research ⁉️

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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:

Brain Tumors

Bipolar disorder

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Head injury

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

Fever

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Narcolepsy

Sleep disorders

Affective disorders

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