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 04:44

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