Common Questions asked by patients: What is the difference between diabetes and diabetes mellitus? Is diabetes mellitus type 1 or type 2? What causes diabetes mellitus? Can diabetes mellitus be cured? For more information, call us today or book an appointment online. We serve patients from Edinburg TX, McAllen TX, San Juan TX, Alamo TX, Pharr TX, Palmhurst TX, Mission TX, Alton TX, and Hidalgo TX.