Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 24.06.2025 00:26

Parkinson's disease
Head injury
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)
Charles Bonnet syndrome
Delirium tremens
⁉️sources from my experiences and internet research ⁉️
Brain Tumors
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:
Alcohol withdrawal
Migraines
Harvard scientists issue 'toxic' warning over 'hidden dangers' of protein powders - LADbible
Fever
Alcohol
Infection
Seizures
Dementia with Lewy bodies
Affective disorders
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Stress
Grief (yes, sadly)
Sleep disorders
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PTSD
Alzheimer's disease,
Withdrawal from benzodiazepines
Bipolar disorder
Hallucinogen use
Narcolepsy