Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 25.06.2025 10:00

Alcohol withdrawal
Dementia with Lewy bodies
Grief (yes, sadly)
Pharmaceutical drug (abuse or side effects)
Narcolepsy
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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Charles Bonnet syndrome
Alcohol
Fever
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Stress
Withdrawal from benzodiazepines
Hallucinogen use
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Migraines
PTSD
Parkinson's disease
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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
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Sleep disorders
Affective disorders
Brain Tumors
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Bipolar disorder
Head injury
Delirium tremens
Seizures
Alzheimer's disease,
Mental disorder
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