Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 02.07.2025 00:04

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