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A Guide to Non-Insulin Injectable Medications

04 Sep 2025 by Nitin N. Katariya, M.D.

A Guide to Non-Insulin Injectable Medications

Non-insulin injectable medications are a type of treatment used to manage blood sugar levels in people with diabetes. These medications work by either stimulating the pancreas to produce more insulin or by mimicking the action of insulin in the body. In this guide, we will explore the different types of non-insulin injectable medications, how they work, and their benefits and potential side effects. A1C Explained Understanding Your A1C Chart And Levels

Types of Non-Insulin Injectable Medications

There are several types of non-insulin injectable medications available, each with its own unique mechanism of action. Some of the most common types include:

  • GLP-1 receptor agonists: These medications, such as liraglutide and exenatide, work by stimulating the pancreas to release more insulin and by slowing the movement of food from the stomach to the small intestine.
  • SGLT2 inhibitors: These medications, such as canagliflozin and dapagliflozin, work by blocking the absorption of glucose in the kidneys, which helps to lower blood sugar levels.
  • DPP-4 inhibitors: These medications, such as sitagliptin and saxagliptin, work by inhibiting the action of an enzyme that breaks down GLP-1, a hormone that stimulates the pancreas to release more insulin.
  • GLP-1 receptor agonists/secretagogues: These medications, such as albiglutide and dulaglutide, work by both stimulating the pancreas to release more insulin and by stimulating the release of GLP-1.

How Non-Insulin Injectable Medications Work

Non-insulin injectable medications work by either stimulating the pancreas to produce more insulin or by mimicking the action of insulin in the body. The pancreas produces insulin in response to rising blood sugar levels. When you eat, your body breaks down the carbohydrates in your food into glucose, which is then absorbed into the bloodstream. As your blood sugar levels rise, your pancreas releases more insulin to help your cells absorb the glucose. Non-insulin injectable medications work by either stimulating the pancreas to release more insulin or by mimicking the action of insulin in the body. How To Control Postprandial Blood Sugar Spikes After Meals

Benefits of Non-Insulin Injectable Medications

Non-insulin injectable medications have several benefits, including:

  • Improved blood sugar control: Non-insulin injectable medications have been shown to improve blood sugar control in people with diabetes.
  • Weight loss: Some non-insulin injectable medications, such as GLP-1 receptor agonists, have been shown to promote weight loss in people with diabetes.
  • Reduced risk of cardiovascular disease: Some non-insulin injectable medications, such as GLP-1 receptor agonists, have been shown to reduce the risk of cardiovascular disease in people with diabetes.
  • Improved quality of life: Non-insulin injectable medications have been shown to improve quality of life in people with diabetes, including improved blood sugar control and reduced risk of complications.

Potential Side Effects of Non-Insulin Injectable Medications

Non-insulin injectable medications can have several potential side effects, including:

  • Nausea and vomiting
  • Diarrhea and abdominal pain
  • Increased risk of hypoglycemia
  • Injection site reactions
  • Pancreatitis

Conclusion

Non-insulin injectable medications are a type of treatment used to manage blood sugar levels in people with diabetes. These medications work by either stimulating the pancreas to produce more insulin or by mimicking the action of insulin in the body. While they have several benefits, including improved blood sugar control and reduced risk of cardiovascular disease, they can also have potential side effects. If you are considering non-insulin injectable medications, it is essential to discuss the potential benefits and risks with your healthcare provider. The 15 Best Foods To Help You Control Blood Sugar

References and Further Reading