Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 01:38

Grief (yes, sadly)
Hallucinogen use
Infection
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Head injury
Parkinson's disease
Dementia with Lewy bodies
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Withdrawal from benzodiazepines
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Narcolepsy
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Delirium tremens
Brain Tumors
Alzheimer's disease,
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⁉️sources from my experiences and internet research ⁉️
PTSD
Alcohol
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Sleep disorders
Pharmaceutical drug (abuse or side effects)
Affective disorders
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Bipolar disorder
Fever
Seizures
Charles Bonnet syndrome
Alcohol withdrawal
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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Migraines
Stress
Mental disorder
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