Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 00:00

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