Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 22.06.2025 12:15

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