Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 03:17

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