Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 03:11

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