List of Drugs and Their Effects

Drugs are classified according to their effect on the central nervous system. They are divided into 3 categories:

  • Disruptive substances/Hallucinogens
  • Depressants
  • Stimulants 


These drugs typically cause disorientation (distorted sense of space and time). They also affect the senses (sight and touch, for example), which alters perception.


These drugs typically impact the central nervous system, numbing the brain and slowing the body. Some of these drugs can also alter perception.


These drugs typically cause excitement and restlessness.