Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 25.06.2025 03:52

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