Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 22.06.2025 06:58

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