Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 06:15

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