Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 03:27

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