Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 23.06.2025 20:26

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