The treatment regimen for diabetes mellitus depends upon the type of diabetes the patient is diagnosed with. The treatment methods are listed below: 1)       Insulin injections: The patient diagnosed with type 1 diabetes mellitus has to take insulin for the rest of their lives to maintain their blood sugar levels. People diagnosed with type 2 diabetes and gestational diabetes also need to take insulin if medications do not maintain their blood sugar levels. continuous glucose monitors and insulin pump Picture Courtesy: mayoclinic 2)       Medications- To control the blood sugar levels, the doctor will prescribe the patient oral or injected medications. Some medications prescribed are sulfonylureas, glinides (meglitinides), biguanides, alpha-glucosidase inhibitors, etc. 3)       Transplantation- pancreas transplant may be a treatment option for patients diagnosed with type 1 diabetes.  4 )       Bariatric surgery: Also called weight loss surgery. This procedure is done for type 2 diabetes who are obese and have a body mass index higher than 35.