new patterns of cocaine abuse , such as the inhalation of vaporized cocaine base , the intravenous injection of cocaine hydrochloride and the smoking of coca paste , produce a brief elation that quickly gives way either to a return to the baseline mood or to displeasure , resulting in a strong desire to return to the momentary ecstatic experience , a cycle that leads to compulsive use .
C0009170
cocaine
C0282108
cocaine