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 00:59

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