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 01:46

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