Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 28.06.2025 12:20

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