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 03:43

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