Amy told me that she is being treated with the antipsychotic Haldol, and that she has paranoid schizophrenia.

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According to U.S. Immigration and Customs Enforcement medical records, Soeth was injected with Haldol, a very powerful sedative.

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In Soeoth's case, his government medical records say a physician prescribed Haldol because Soeoth threatened to kill himself if he was deported.

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Yates, who now takes the anti-psychotic Haldol and is said to be in better mental health, was taken off medication two weeks before she killed the children.

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Haloperidol (Haldol) is indicated in the treatment of behavior issues in a patient with Alzheimer's disease, but can be harmful to a patient with dementia caused by Parkinson's disease.

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The oldest drugs, like Haldol and thorazine, clomp onto the receptor like glue, completely shutting it down so tenaciously that they work for some time after patients stop taking them.

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The side effects that caused it and other antipsychotics like Haldol to fall out of favor, including serious neurological problems, might take longer than a year and a half to develop.

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Lieberman was the primary investigator for a government-funded clinical trial that showed there was little difference in how long patients stuck with the new class of antipsychotics, like Zyprexa and Risperdal, vs. the older, cheaper variety, such as Haldol.

FORBES: Pharmaceuticals

It contained a dose of morphine for breakthrough pain or shortness of breath, Ativan for anxiety attacks, Compazine for nausea, Haldol for delirium, Tylenol for fever, and atropine for drying up the upper-airway rattle that people can get in their final hours.

NEWYORKER: Letting Go