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 14:59

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