Take a look at Which MSc's are better than pre-experience 'Freshers' MBAs?
www.find-mba.com/board/22783and Why freshers' MBAs are worse than MiM degrees from better schools
http://www.find-mba.com/board/38133If you want to work in the UK, the MSc International Health Management is not a strong choice. It's aimed at people who want to learn from the UK and apply insights in their own region. Very few students in that degree find work in the UK.
From any one school, MBA graduates will tend to learn less than MSc. However, the FT MSc ranking shows you at MSc graduates from some programmes will earn more then MBAs from unranked schools.