Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 26.06.2025 00:32

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