ADHERENCE
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Morisky Scales
​MMAS-4
​& MMAS-8

The Morisky Medication Adherence Scale (MMAS-4 and MMAS-8) are structured diagnostic self report measures that assess medication adherence. 

The Morisky Scale, otherwise known as the MMAS-4 or MMAS-8, has proved to be valuable diagnostic tools to address medication non-adherence. The MMAS-4 and MMAS-8 are copyrighted diagnostic adherence assessment instruments. The measure is more than just a number, it allows the health professional to know why the patient is not taking their prescribed medication as directed. ​
  • The Morisky Medication Adherence Scale: An Overview - Pillsy
  • Medication Adherence Improve Patient Outcome and Reduce Costs - AMA
  • ​Medication Adherence: Action Steps for Public Health Practitioners - CDC
  • Overcoming Barriers to Medication Adherence for Chronic Diseases - CDC
​The Morisky Medication Adherence Scale is verified and substantiated by numerous studies on a global scale.   Permission to use the Morisky Scales is granted by obtaining a license.  The Morisky Scales are protected by US copyright laws and may not be modified, sold, translated into another language or adapted for another medium (e.g. smartphone, tablet, computer, or internet) without a license. Warning: Unauthorized versions of the Morisky Scales found on other websites may contain serious errors and must not be used. 

​What are the questions for the Morisky Medication Adherence Scale-4 (MMAS-4)
1. Do you ever forget to take your medication?
2. Do you ever have problems remembering to take your medication?
3. When you feel better, do you sometimes stop taking your medication?
4. Sometimes if you feel worse when you take your medication, do you stop taking it?

​What are the questions for the Morisky Medication Adherence Scale-8 (MMAS-8)
1. Do you sometimes forget to take your medication?
2. People sometimes forget to take their medications for reasons other than forgetting. Thinking over the past two weeks, were there any days when you did not take your medication?
3. Have you ever cut back or stopped taking your medication without telling your doctor, because you felt worse when you took it?
4. When you travel or leave home, do you sometimes forget to bring your medication?
5. Did you take your medication the last time you were supposed to take it?
6. When you feel like your symptoms are under control, do you sometimes stop taking your medication?
7. Taking medication every day is a real inconvenience for some people. Do you ever feel hassled about sticking to your treatment plan?
8. How often do you have difficulty remembering to take all your medications?
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