Amy with the tiniest ciggie butt in British history.
"Abrupt reversal of narcotic depression may result in nausea, vomiting, sweating, tachycardia, increased blood pressure, tremulousness, seizures and cardiac arrest In postoperative patients, larger than necessary dosage of naloxone hydrochloride may result in significant reversal of analgesia and in excitement."
Loving to do research the way I do, I found this medication listed as a possibility of one that may have been given to Amy. No proof here. Just a theory. Oh, and my "theories"? Usually right on the mark. So there.