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 00:03

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