Physical Dependence and Addiction: Is There a Difference?
The phrases “physical dependence” and “addiction” are sometimes used interchangeably in conversation. They refer to different conditions, both of which can exist without the other. It’s important to be precise when talking about addiction, since this is one of the keys to getting people who need treatment the help they need. Definition of Physical Dependence Physical dependence on a drug is a state in which withdrawal symptoms occur with either a rapid reduction of dose or abrupt stoppage of use. (Please note that alcohol is considered a drug.) How Physical Dependence Develops When someone is ingesting a substance regularly, their brain becomes used to having a certain level of that particular chemical in their system. Physical dependence can occur with alcohol, illicit drugs, prescription medications, and a number of other substances. The brain doesn’t differentiate between what type of substance it has become used to when it initiates the withdrawal symptoms; it is only reacting to t...