Stock Photo: 824-30958 TREATMENT FOR DIABETES. TREATMENT FOR DIABETES Medical treatment for diabetes. Illustration of the different medical treatments for diabetes. From top to bottom:  - proper diet  - alpha-glucosidase inhibitors to slow absorption of glucose in the stomach  - biguanides to improve insulin action  - sulfonylurea drugs to increase the secretion of insulin by the pancreas  - insulin injections to counteract a lack of natural insulin.