The teenager was airlifted to a hospital Tuesday for injuries including nine broken vertebrae, a ruptured spleen, a collapsed lung and a concussion. He was discharged Saturday.
Authorities are also warning that the effort to find and identify the dead is just beginning. Maui Police Chief John Pelletier said Saturday that crews with cadaver dogs have covered just 3% of the search area.
Some doctors say the drug should be held for three weeks before sedation to accommodate the delayed emptying of the stomach, which can cause patients to inhale food and liquid into their lungs.