Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 06:01

Grief (yes, sadly)
Sleep disorders
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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Narcolepsy
Alcohol withdrawal
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
⁉️sources from my experiences and internet research ⁉️
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PTSD
Alcohol
Brain Tumors
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Mental disorder
Infection
Parkinson's disease
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Dementia with Lewy bodies
Affective disorders
Seizures
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Bipolar disorder
Delirium tremens
Alzheimer's disease,
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Charles Bonnet syndrome
Pharmaceutical drug (abuse or side effects)
Head injury
Migraines
Fever
Hallucinogen use
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