Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 30.06.2025 07:59

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