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 00:36

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