Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 09:29

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