Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 12:48

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