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 14:56

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