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 02:10

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