The most important reason for the success of Medical tourism is the cost effectiveness that it offers. Generally the cost of medical treatment in the other country is low compared to the cost in ones native country.
After considering factors like air travel, accommodation, food, insurance, car rentals, shopping, and a vacation, the cost calculated is a mere fraction to the treatment cost in some countries. However, this cost also depends on the location, procedure and facilities that a person chooses from the range available.
The reasons for cost effectiveness would be low labour costs and favourable currency exchange rate. The care and quality of service is also higher as compared to the some countries.