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 05:28

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