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 19:06

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