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 12:23

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