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 10:26

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