Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 23.06.2025 23:50

Grief (yes, sadly)
PTSD
Mental disorder
Fever
⁉️sources from my experiences and internet research ⁉️
Narcolepsy
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Withdrawal from benzodiazepines
Brain Tumors
Migraines
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Alcohol withdrawal
Alcohol
Charles Bonnet syndrome
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Sleep disorders
Alzheimer's disease,
Bipolar disorder
Dementia with Lewy bodies
Seizures
Infection
Delirium tremens
Pharmaceutical drug (abuse or side effects)
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
Stress
Head injury
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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).
Parkinson's disease
Hallucinogen use