Glucagon is primarily used to treat severe hypoglycemia (low blood sugar) in people with diabetes who use insulin and are unable to take sugar orally. It is also utilized as a diagnostic aid during certain medical imaging procedures.
Uses of Glucagon Explained
Glucagon has two main applications:
1. Treatment of Severe Hypoglycemia
- Emergency Situation: Glucagon is a life-saving medication for individuals with diabetes experiencing severe hypoglycemia, a condition where blood sugar levels drop dangerously low. This often occurs as a side effect of insulin treatment.
- Who Needs It: It's particularly useful when the person is unconscious, seizing, or otherwise unable to safely swallow food or liquids containing sugar (e.g., juice, glucose tablets).
- How it Works: Glucagon works by stimulating the liver to release stored glucose into the bloodstream, thereby raising blood sugar levels.
- Administration: Glucagon is typically administered as an injection (intramuscular or subcutaneous) or as a nasal spray. Family members, caregivers, and close contacts of individuals at risk of hypoglycemia are often trained on how to administer glucagon in an emergency.
2. Diagnostic Aid
- Medical Imaging: Glucagon is sometimes used during X-ray examinations of the stomach and intestines.
- How it Works: It acts as a smooth muscle relaxant, slowing down the movement (peristalsis) of the gastrointestinal tract. This allows for clearer visualization of the digestive organs during imaging procedures, aiding in the detection of abnormalities.
In summary, glucagon is essential for managing severe hypoglycemic episodes in insulin-dependent diabetics and plays a role in certain diagnostic imaging procedures.