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 06:38

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