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 13:41

Charles Bonnet syndrome
PTSD
Grief (yes, sadly)
Brain Tumors
Alcohol withdrawal
Migraines
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Head injury
Seizures
Hallucinogen use
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Bipolar disorder
Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:
Affective disorders
Alzheimer's disease,
Sleep disorders
Dementia with Lewy bodies
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Delirium tremens
Fever
Parkinson's disease
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Pharmaceutical drug (abuse or side effects)
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 ⁉️
Stress
Alcohol
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Mental disorder
Infection
Narcolepsy