Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 00:31

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