____________ is considered a stimulant drug.
Some illegal drugs are considered stimulants because of the effects they cause. These are all illegal stimulants: 1  Cocaine. 2  Crack cocaine. 3  Methamphetamine (meth, crystal meth). 4  Speed.5  MDMA.here are several substances and drugs that are considered stimulants and that are legal. While these also carry a potential for addiction, their accepted uses are important. Others, such as caffeine, have a lower potential for abuse than illegal stimulants. These are all legal stimulants: 1  Caffeine. 2  Nicotine.