Cocaine is a stimulant. That means it affects the central nervous system. Like other stimulants, cocaine gives you an energy surge. That in turn boosts your alertness, leaving you feeling a “high” ...

Cocaine can remain in your system from 2 to 4 days, and may be detected in your hair for up to 3 months. Cocaine typically stays in your system for 1 to 4 days, but it can be detected for up to a ...