hydrocodone

Endorphin blockers such as naltrexone can be used to reduce addiction to licking, or endorphin substitutes such as hydrocodone may decrease the urge to lick.

内啡肽受体阻滞剂，如纳曲酮，被用于减缓舌舔的嗜好。内啡肽代用品，例如二氢可待因酮，能降低犬只的嗜舔性。

"Mr.Heath Ledger died as the result of acute intoxication by the combined effects of oxycodone, hydrocodone, diazepam, temazepam, alprazolam, and doxylamine," the office said in a short statement.

主要意是已经定论根据特征判断死亡是意外，由于处方药引起混合效应中毒。