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 01:20

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