Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 29.06.2025 06:11

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