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 09:19

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