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 04:52

Affective disorders
Hallucinogen use
Alcohol withdrawal
Delirium tremens
Grief (yes, sadly)
Brain Tumors
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Bipolar disorder
Fever
Sleep disorders
PTSD
Infection
Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).
Seizures
Dementia with Lewy bodies
Narcolepsy
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Alzheimer's disease,
Mental disorder
Migraines
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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:
Head injury
Pharmaceutical drug (abuse or side effects)
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Alcohol
Charles Bonnet syndrome
Stress
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Withdrawal from benzodiazepines
⁉️sources from my experiences and internet research ⁉️
Parkinson's disease
Have you ever had a bad gut feeling about someone and it was right?