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 15:04

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