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Medication Adherence

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Dr. C. Everett Koop said: “Drugs don't work in patients who don't take them.” Medication adherence is one of many important factors that determines the success of a therapeutic regimen. The World Health Organization defined medication adherence as “the extent to which a person’s behavior – taking medication, following a diet, and/or executing lifestyle changes, corresponds with agreed recommendations from a healthcare provider.”1 However, many patients do not understand this concept and use medications disregarding the instructions. These non-adherent behaviors accidentally cause serious consequences that affect our health care system such as wasting medications and increasing the cost of treatment.2, 3 They are also associated with worsening …show more content…

For example, a sudden discontinuation of chronic treatment such as for COPD would worsen one’s condition, lead to use more medications or have to re-hospitalization and increase the mortality rate.2 Another study of preventive pharmacology therapy for kidney stone showed that patients who adhered to their medication regimens had lower percentage of emergency room visit, hospitalization and surgery for kidney stone (27%, 41%, and 23% respectively).5 Second, poor medication adherence provides inaccurate data for medical researchers and raises the cost of treatments because of the disease progression, which forces physicians to alter the therapy and to prescribe more medications.2, 3 Thus, researchers will not be able to obtain accurate data for future drug analysis, and the cost of the treatment would significantly increase due disease …show more content…

For instance, antihypertensive medications are used chronically to control blood pressure instead of being taken when blood pressure is high. Another example is that serotonin re-uptake inhibitors (SSRIs) often take about 4-6 weeks to work and up to one year to achieve a complete remission of major depression. Therefore, patients will not notice the immediate effects, which might lead to frustrated feeling and discontinuation of the medications. Hence, it is very important for healthcare providers to educate patients thoroughly about their diseases to help them understand the importance of taking medications correctly. This would keep patients being consistent with their therapy in order to prevent further disease complication or drug resistance as well as reduce healthcare costs. Even though pharmacists are the last line of communication with patients before dispensing medications, they should not be solely held responsible for the poor medication adherence of patients. It should be a team effort of all healthcare providers to ensure that patients will follow the treatment plan closely and take their medications as directed. There are several methods that have been used to improve the adherence rate. When is possible,

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