What to Do for Severe Hypoglycemia: An Emergency Action Plan

30 Aug 2025

What to Do for Severe Hypoglycemia: An Emergency Action Plan Severe hypoglycemia, or very low blood sugar, is a critical condition that can lead to se...

What to Do for Severe Hypoglycemia: An Emergency Action Plan

Severe hypoglycemia, or very low blood sugar, is a critical condition that can lead to serious health complications if not addressed promptly. It's particularly relevant for individuals with diabetes who are taking insulin or certain oral medications. Understanding the signs, symptoms, and, most importantly, having an emergency action plan can be life-saving. This article outlines what severe hypoglycemia is, how to recognize it, and the steps to take in an emergency situation, ensuring you're prepared to respond effectively.

Understanding Severe Hypoglycemia

Hypoglycemia occurs when the level of glucose (sugar) in your blood drops too low. For most people with diabetes, this means a blood sugar level below 70 mg/dL. Severe hypoglycemia is when the blood sugar level is so low that the individual requires assistance from another person to treat it. This often involves the person being unable to swallow, being unconscious, or experiencing seizures. This condition is not just uncomfortable; it can lead to seizures, loss of consciousness, and, in rare cases, even be life-threatening.

It's crucial to distinguish between mild, moderate, and severe hypoglycemia. Mild to moderate hypoglycemia can often be self-treated with quick-acting carbohydrates. However, severe hypoglycemia necessitates immediate intervention from someone else due to the individual's impaired cognitive or physical function.

Recognizing the Symptoms of Severe Hypoglycemia

The symptoms of hypoglycemia can vary from person to person, but there are common indicators to watch for. Recognizing these symptoms early is critical to prevent the condition from escalating to severe hypoglycemia.

Common symptoms include:

  • Confusion or difficulty concentrating: The person may seem disoriented or struggle to follow simple instructions.
  • Slurred speech: Their speech may be difficult to understand.
  • Seizures: Uncontrolled shaking or jerking movements.
  • Loss of consciousness: Unresponsiveness to stimuli.
  • Sweating: Profuse sweating, even in a cool environment.
  • Weakness or lack of coordination: Difficulty standing or walking.
  • Blurred vision: Problems seeing clearly.

Related reading: What Is Low Blood Sugar Hypoglycemia And How Do You Treat It

These symptoms may appear suddenly and can worsen rapidly. Being able to identify these signs allows for a quicker and more effective response.


The Emergency Action Plan for Severe Hypoglycemia

When someone experiences severe hypoglycemia, time is of the essence. Here's a step-by-step emergency action plan to follow:

1. Confirm Unresponsiveness or Inability to Self-Treat

The first step is to determine if the person is truly unable to help themselves. Try to get their attention and ask them simple questions. If they don't respond, are confused, or unable to swallow, consider it a severe hypoglycemia event requiring immediate intervention.

2. Administer Glucagon

Glucagon is a hormone that stimulates the liver to release stored glucose into the bloodstream. It's typically administered via injection, and sometimes as a nasal spray. It's vital that individuals at risk for severe hypoglycemia (especially those on insulin) have a glucagon kit readily available, and that their family members, friends, and caregivers know how to use it.

  • Glucagon Injection:
    • Locate the glucagon emergency kit.
    • Follow the kit’s instructions for mixing (if necessary) and drawing up the glucagon.
    • Inject the glucagon into the thigh, arm, or buttock. You can inject it through clothing if necessary.
  • Nasal Glucagon:
    • Remove the device from its packaging.
    • Insert the tip into one nostril and press the plunger to administer the dose.

Important Note: After administering glucagon, it's normal for the person to take 5-15 minutes to regain consciousness. If there is no improvement after 15 minutes, and emergency services have not yet arrived, consider administering a second dose if available, and instructed by a healthcare professional.

3. Call for Emergency Medical Assistance

Even if the person starts to regain consciousness after glucagon administration, it's still important to call for emergency medical assistance (911 in the United States) or your local emergency number. Explain that the person has experienced severe hypoglycemia and has been given glucagon. Medical professionals can provide additional treatment and ensure there are no further complications. * It is best to err on the side of caution and have qualified medical personal evaluate the patients status.

4. Position the Person Safely

While waiting for emergency services, position the person on their side in the recovery position to prevent choking if they vomit. This is especially important if they are still unconscious.

5. Monitor Vital Signs

Related reading: The Ultimate Guide To Your First At Home Blood Sugar Test

If you know how to do so, monitor the person's vital signs, such as their breathing and pulse. This information can be useful for the emergency medical responders when they arrive.

6. Provide a Quick-Acting Carbohydrate When Conscious

Once the person is awake and able to swallow, give them a quick-acting carbohydrate source to help stabilize their blood sugar levels. Examples include:

  • Fruit juice (4 ounces)
  • Regular soda (4 ounces)
  • Glucose tablets (follow package instructions)
  • Hard candies (several pieces)
  • Honey or syrup (1 tablespoon)

7. Follow Up with a Long-Acting Carbohydrate

After the quick-acting carbohydrate, provide a longer-acting carbohydrate source to help prevent a recurrence of hypoglycemia. Examples include:

  • A sandwich
  • Crackers with peanut butter
  • A piece of fruit

| Step | Action | Timing | Rationale | | ------------------------------------- | --------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------- | | 1. Assess Responsiveness | Determine if the person is able to respond or assist themselves. | Immediately upon noticing symptoms. | To differentiate between mild/moderate and severe hypoglycemia. | | 2. Administer Glucagon | Use a glucagon injection or nasal spray as per the product's instructions. | If the person is unresponsive or unable to swallow. | Glucagon helps raise blood sugar by stimulating the liver to release stored glucose. | | 3. Call for Emergency Medical Assistance | Dial 911 (or your local emergency number). Explain the situation and the steps you've taken. | As soon as glucagon is administered. | To ensure professional medical help arrives to provide additional treatment and monitoring. | | 4. Position Safely | Place the person on their side in the recovery position to prevent choking if they vomit. | While waiting for emergency services to arrive. | To prevent aspiration if the person vomits, which can be a complication of severe hypoglycemia. | | 5. Monitor Vital Signs | Check the person's breathing and pulse if you have been trained to do so. | While waiting for emergency services to arrive. | To provide critical information to the emergency responders. | | 6. Provide Quick-Acting Carbohydrates | Give juice, soda, glucose tablets, hard candies, honey or syrup, if the person regains consciousness. | Once the person is awake and able to swallow. | To quickly raise the person's blood sugar levels. | | 7. Provide Long-Acting Carbohydrates | Give the person a sandwich, crackers with peanut butter, or a piece of fruit after the quick-acting carbohydrates. | After the person has consumed quick-acting carbohydrates and is feeling more stable. | To provide a sustained source of glucose and prevent another hypoglycemic episode. |

Example Scenario: Responding to a Family Member's Severe Hypoglycemia

Imagine you're at home and your spouse, who has type 1 diabetes, starts acting strangely. They seem confused, are sweating heavily, and are having difficulty speaking. You try to offer them juice, but they are unable to swallow. You recognize the signs of severe hypoglycemia and immediately take action:

  1. You confirm that they are unresponsive and unable to swallow.
  2. You locate the glucagon kit, follow the instructions, and administer the glucagon injection into their thigh.
  3. You call 911, explaining the situation and that you have given glucagon.
  4. You carefully position them on their side.
  5. You monitor their breathing while waiting for the ambulance to arrive.

Thanks to your quick actions and preparation, your spouse receives timely medical attention and recovers without complications.


Prevention and Education: The Key to Avoiding Severe Hypoglycemia

While it's important to know how to respond to severe hypoglycemia, the best approach is to prevent it from happening in the first place.

1. Regular Blood Sugar Monitoring

Regularly checking blood sugar levels, especially before meals, before bed, and after exercise, can help identify trends and potential problems. This allows for timely adjustments to medication or diet to avoid low blood sugar levels. Continuous Glucose Monitors (CGMs) are especially useful, as they provide real-time glucose readings and can alert the user to falling blood sugar levels.

2. Education on Diabetes Management

Understanding how food, exercise, and medication affect blood sugar levels is critical for managing diabetes effectively. Diabetes education programs can provide the necessary knowledge and skills to make informed decisions about diet, exercise, and medication.

3. Medication Management

Taking diabetes medications as prescribed and understanding their potential side effects is crucial. Some medications, like sulfonylureas and insulin, are more likely to cause hypoglycemia than others. Review medications with your doctor regularly to ensure they are appropriate and at the correct dosage.

Related reading: Why Is Your Morning Blood Glucose High 7 Surprising Reasons

4. Meal Planning

Eating regular meals and snacks, and ensuring they are properly balanced with carbohydrates, protein, and fat, can help prevent blood sugar levels from dropping too low. Consulting a registered dietitian or certified diabetes educator can help with creating a meal plan that meets individual needs.

5. Exercise Considerations

Exercise can lower blood sugar levels, so it’s important to take precautions, such as checking blood sugar before, during, and after physical activity. You may need to adjust your medication or eat a snack before or during exercise to prevent hypoglycemia.

6. Wearing a Medical Alert

Wearing a medical alert bracelet or necklace that indicates you have diabetes can inform others about your condition if you're unable to communicate in an emergency. This can help ensure you receive appropriate treatment if you experience severe hypoglycemia.

7. Educating Family and Friends

Make sure your family members, friends, and caregivers are aware of the signs and symptoms of hypoglycemia and know how to administer glucagon. Regular training sessions can help them feel confident and prepared to respond in an emergency.

8. Carry Fast-Acting Glucose

Always carry a fast-acting source of glucose, such as glucose tablets or juice, with you in case you experience mild to moderate hypoglycemia. This will allow you to quickly raise your blood sugar level before it drops too low.

Real-World Example: Successful Hypoglycemia Prevention

Consider a 45-year-old man with type 2 diabetes who experienced frequent episodes of mild hypoglycemia. After attending a diabetes education program, he learned how to better manage his blood sugar levels through proper diet and medication adjustments. He started monitoring his blood sugar more regularly, planned his meals carefully, and made sure to eat a snack before exercising. As a result, he significantly reduced his risk of hypoglycemia and improved his overall quality of life.

Conclusion: Empowering Yourself and Others

Severe hypoglycemia is a serious condition that requires immediate action. By understanding the symptoms, having an emergency action plan, and focusing on prevention, you can significantly reduce the risk and impact of severe hypoglycemia. It's essential to empower yourself and others with the knowledge and skills needed to respond effectively in an emergency. Regularly reviewing and updating your action plan with your healthcare provider is a crucial part of managing diabetes safely and confidently. Preparedness can make all the difference in managing diabetes and preventing life-threatening situations.