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 03:41

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