Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 02:58

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