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 00:12

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