Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 00:00

Withdrawal from benzodiazepines
Stress
Seizures
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Infection
Pharmaceutical drug (abuse or side effects)
Dementia with Lewy bodies
PTSD
Head injury
Mental disorder
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Parkinson's disease
Delirium tremens
Narcolepsy
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Hallucinogen use
Fever
Charles Bonnet syndrome
⁉️sources from my experiences and internet research ⁉️
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Alcohol withdrawal
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Alcohol
Alzheimer's disease,
Bipolar disorder
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Grief (yes, sadly)
Migraines
Sleep disorders
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Affective disorders
Brain Tumors
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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