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 00:40

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