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 03:03

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
Infection
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Parkinson's disease
Migraines
Alcohol
Alzheimer's disease,
Charles Bonnet syndrome
Seizures
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Narcolepsy
Pharmaceutical drug (abuse or side effects)
Brain Tumors
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Grief (yes, sadly)
Withdrawal from benzodiazepines
PTSD
Stress
⁉️sources from my experiences and internet research ⁉️
Delirium tremens
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Bipolar disorder
Alcohol withdrawal
Hallucinogen use
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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).
Mental disorder
Fever
Affective disorders
Sleep disorders
Head injury
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