Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 27.06.2025 23:54

Alzheimer's disease,
Bipolar disorder
Mental disorder
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PTSD
Withdrawal from benzodiazepines
Narcolepsy
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Delirium tremens
Seizures
Sleep disorders
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Charles Bonnet syndrome
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)
Parkinson's disease
Infection
Fever
Pharmaceutical drug (abuse or side effects)
Brain Tumors
Dementia with Lewy bodies
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Head injury
⁉️sources from my experiences and internet research ⁉️
Alcohol withdrawal
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Hallucinogen use
Affective disorders
Alcohol
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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).
Stress
Migraines
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