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 09:57

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