Sex Addiction is a state in which a person has a compulsive physiological and psychological need for habitual sexual activity. The validity of this claim is currently being debated. However, the dynamics of addiction are all the same no matter what the substance may be. Therefore, there is validity in the term "sexual addiction" It is recognized widely, and there are several support groups available for the sex addict. One of which can be found at the following site
http://www.sa.org
Found on the "addiction" definition on Dictionary.com [[1] (http://dictionary.reference.com/search?q=addiction)]
It is frequently indicated by the willingness of an addict to suffer enormous consequences for engaging in sex.
It is thought that sex is used by the addict as an escape, a means of avoiding stress, emotional strain, boredom, anxiety, and the pursuant shame and isolation that results from their compulsive behavior.
The treatment of sexual addiction aims not so much to bring all sex to an end but rather to place sex into the context of healthy relationships and to encourage sex that is mutual and not compulsive.
Sexual addiction is not necessarily defined by having sex with another partner, some sexual addicts are too afraid of getting caught, getting a disease or being rejected to seek out partners for their acting-out.
Also it is extremely helpful to attend some sexaddiction 12 step programs to get a clearer idea of what those who have the problem are dealing with and how they are managing it.
The "label" of sexaddiction is simply the most convenient and accurate term to use to describe certain sets of compulsive sexual behaviors, which need to be attended to with a particular kind of treatment.