Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 15:24

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