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，被于减缓舌舔的嗜好。内啡肽代，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，由于处起混合效应中毒。