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 06:18

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