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 05:28

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