Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 02:05

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