Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 24.06.2025 00:28

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