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Hyperpyrexia

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Updated September 02, 2006

Definition:
Hyperpyrexia is an abnormally high fever. It can be a dangerous side effect of some psychiatric medications, including Elavil (amitriptyline), Mellaril (thioridazine), Nardil (phenelzine), and Orap (pimozide). Hyperpyrexia can be fatal if not treated promptly.
Pronunciation:
HY-per-py-REX-ee-uh

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