Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 05:15

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