Compliance is a service users (or doctor's) adherence to a recommended course of treatment. Noncompliance is the failure or the refusal to comply meaning they won't conform and adapt one's actions to a rule or to necessity. The main reasons a person won't comply is because they are in denial that they have a problem. The costs of treatment, difficulty of the regimen. The unpleasant outcomes or side effects of the treatment being used. They may have a lack of trust and not understand the importance or not care about the importance. Finally they may not comply due to previous experiences they may have had. In order to change behaviour from non compliance to compliance a person's attitude towards treatment needs to be changed. Also the perceived
