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 02:44

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