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 15:33

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