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 00:00

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

Stress

Parkinson's disease

Seizures

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Sleep disorders

Grief (yes, sadly)

Narcolepsy

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Charles Bonnet syndrome

⁉️sources from my experiences and internet research ⁉️

PTSD

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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:

Dementia with Lewy bodies

Mental disorder

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Affective disorders

Pharmaceutical drug (abuse or side effects)

Fever

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Withdrawal from benzodiazepines

Alzheimer's disease,

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

Anxious-depressed individuals underestimate themselves even when they’re right - PsyPost

Alcohol withdrawal

Alcohol

Brain Tumors

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Delirium tremens

Head injury

Migraines

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Bipolar disorder

Hallucinogen use

Infection

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