Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 01.07.2025 18:47

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