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 04:40

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