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 14:56

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