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 01:03

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