Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 23:55

⁉️sources from my experiences and internet research ⁉️
Pharmaceutical drug (abuse or side effects)
Stress
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Infection
Narcolepsy
Alcohol
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Hallucinogen use
Seizures
Alzheimer's disease,
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Affective disorders
Brain Tumors
Mental disorder
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Dementia with Lewy bodies
Grief (yes, sadly)
Migraines
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Charles Bonnet syndrome
Fever
Head injury
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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).
Delirium tremens
Alcohol withdrawal
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Bipolar disorder
Withdrawal from benzodiazepines
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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Parkinson's disease
PTSD
Sleep disorders
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