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 08:31

Grief (yes, sadly)
Seizures
Alzheimer's disease,
Why don't I get sleep at nights?
Stress
Dementia with Lewy bodies
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).
Alcohol
Bipolar disorder
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Delirium tremens
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:
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Fever
Narcolepsy
PTSD
Brain Tumors
Parkinson's disease
Alcohol withdrawal
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Hallucinogen use
Migraines
Withdrawal from benzodiazepines
Pharmaceutical drug (abuse or side effects)
Affective disorders
Infection
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Head injury
Mental disorder
⁉️sources from my experiences and internet research ⁉️
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