Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 23:45

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