Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?
Last Updated: 03.07.2025 00:35

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