Sick with diabetes? Learn how illness can impact blood sugar and the importance of monitoring vomiting.
Written by
Aslı Köse
Aslı Köse Liv Hospital Content Team
Medically reviewed by
Asst. Prof. MD. Esra Ergün Alış Asst. Prof. MD. Esra Ergün Alış Infectious Diseases
...
Views
Read Time
Does Being Sick Increase Blood Sugar Levels in Diabetics?
Does Being Sick Increase Blood Sugar Levels in Diabetics? 3

When you’re diagnosed with diabetes, managing your condition is key. But have you thought about how a cold or flu can affect your blood sugar? Being sick can be tough for diabetics, as stress hormones can cause blood sugar spikes.

When you’re sick, your body releases hormones to fight the infection. These hormones can increase your blood glucose levels. This makes it harder for insulin to work right. Even a small illness can make your diabetes harder to control.

At Liv Hospital, experts stress the need to understand how illness affects blood sugar. They also highlight the importance of managing diabetes during sickness.

Key Takeaways

  • Being sick can increase blood sugar levels due to your body’s stress response.
  • Hormones released during illness can make insulin less effective.
  • Proper management of diabetes during illness is key to avoid complications.
  • Knowing how illness affects blood sugar levels helps diabetics take the right steps.
  • Liv Hospital offers expert care and advice for managing diabetes during illness.

How Illness Affects Blood Sugar in Diabetics

How Illness Affects Blood Sugar in Diabetics
Does Being Sick Increase Blood Sugar Levels in Diabetics? 4

Managing diabetes gets harder when you’re sick. Even small illnesses can make blood sugar levels go up. It’s key to know how illness and blood sugar interact for good diabetes care.

Blood Sugar Elevation During Common Illnesses

Illnesses like the cold or flu can really affect blood sugar. When you’re sick, your body makes stress hormones like cortisol and adrenaline. These hormones make your liver release glucose into your blood, raising your sugar levels.

Even if you’re not eating, your body keeps making glucose. This makes it hard to control your diabetes.

Also, being sick makes your body use insulin less well. This means your usual medication or insulin might not work as well. So, your blood sugar levels can go up.

Why Blood Sugar Rises Even Without Eating Normally

It’s not just not eating that’s the problem. Your body’s illness response also raises blood sugar. When you’re sick, your body goes into stress mode. It releases hormones that make your liver produce more glucose.

This natural response helps your body fight off the illness. But it also raises your blood sugar levels.

Some illnesses can also cause dehydration. This makes your blood sugar levels go up even more. It’s important to drink lots of fluids, even if you don’t feel like eating.

Keeping an eye on your blood sugar levels when you’re sick is very important. It helps you make the right choices for managing your diabetes. Always talk to your healthcare provider for advice on managing your diabetes when you’re not feeling well.

The Science Behind Stress Hyperglycemia

The body’s stress response helps you deal with illness. But it can also cause your glucose levels to rise. When you’re sick, your body releases stress hormones like glucagon, epinephrine, and norepinephrine. These hormones get your body ready to face the stress.

Hormones That Increase Glucose Production

When you’re sick, your liver releases more glucose into your blood. Stress hormones like glucagon, epinephrine, and norepinephrine trigger this. They stimulate glucose production and release. For example, glucagon raises blood glucose levels by breaking down glycogen and making new glucose in the liver. Epinephrine and norepinephrine also help by releasing glucose stores.

Even without eating carbs, your blood sugar can go up. This is tough for people with diabetes, who must keep their blood sugar in check.

How Illness Reduces Insulin Effectiveness

Illness makes your body produce more glucose and impairs insulin sensitivity. When you’re sick, your cells don’t respond well to insulin. This makes it hard for glucose to get into cells. Even with insulin or medication, your blood sugar might not drop as it should.

This mix of more glucose and less insulin sensitivity can raise your blood sugar. For people with diabetes, this is a big problem. They might need to change their treatment plan to control their blood sugar.

Knowing how stress hyperglycemia works can help you manage your blood sugar when you’re sick. By understanding the effects of stress hormones on glucose and insulin, you can take steps to control your blood sugar.

Diabetes and Vomiting: When to Seek Medical Help

When diabetes and vomiting happen together, it’s a warning sign that needs quick action. Vomiting can cause dehydration and mess with blood sugar levels, making it a big worry for diabetics.

Why Vomiting Is a Serious Concern for Diabetics

Vomiting is more than just a minor problem for diabetics. It can cause dehydration and electrolyte imbalances. When you’re diabetic and vomiting, your body loses important fluids and salts. This can make your condition worse. It’s important to check your blood sugar often and get medical help if you keep vomiting.

The 4 to 6 Hour Rule for Medical Attention

If you have diabetes and are vomiting, watch your condition closely. You should get medical help if you vomit for more than 4 to 6 hours. This is because long-term vomiting can lead to severe dehydration and serious health risks.

Try to stay hydrated by drinking fluids and managing your blood sugar. If you can’t keep fluids down or if your blood sugar is hard to control, you need to see a doctor.

Risk of Diabetic Ketoacidosis in Type 1 Diabetes

For those with Type 1 diabetes, vomiting raises the risk of Diabetic Ketoacidosis (DKA). DKA is a serious condition where your body makes too many ketones, which are harmful acids.

Symptoms of DKA include high blood sugar levels, ketones in the urine, and vomiting. If you have these symptoms, get medical help right away to avoid serious problems.

In summary, diabetes and vomiting together is a dangerous mix that needs careful handling and quick medical help if symptoms don’t go away. By understanding the risks and knowing when to seek help, diabetics can avoid serious health issues.

Conclusion

It’s important to know how sickness affects blood sugar, mainly for people with diabetes. When you’re not feeling well, your body makes stress hormones. These hormones can make your blood sugar go up.

This means being sick can really change your blood sugar levels. It’s key to keep an eye on these levels closely.

Does being sick increase blood sugar? Yes, it can. Even if you’re not eating much, illnesses like the cold or flu can raise your blood sugar. This happens because your body makes more glucose when you’re sick. This makes insulin less effective.

To handle diabetes well when you’re sick, you need to act fast. Watch your blood sugar levels closely and take the right steps. Knowing when to get medical help is also important. This includes if you’re vomiting a lot or if your blood sugar stays high.

By taking charge of your health and staying informed, you can manage diabetes during illness with confidence. This helps you keep your health in check, even when you have common illnesses like a cold. These illnesses can impact your blood sugar levels.

FAQ

Does being sick affect blood sugar levels in diabetics?

Yes, illness can raise blood sugar levels in people with Diabetes due to stress hormones that interfere with insulin action.

Can a cold or flu raise blood sugar levels?

Yes, infections like the Common Cold or Influenza can increase blood sugar by triggering the body’s stress response.

Why does vomiting pose a risk for diabetics?

Vomiting is risky for people with Diabetes because it can cause dehydration, unstable blood sugar, and possible Diabetic Ketoacidosis.

What should I do if I’m vomiting and have diabetes?

If vomiting occurs with Diabetes, check blood sugar frequently, sip fluids, and seek medical advice if it continues.

How often should I check my blood sugar levels when I’m sick?

People with Diabetes should check blood sugar every 3–4 hours during illness to prevent complications.

Can stress hyperglycemia occur in people without diabetes?

Yes, Stress Hyperglycemia can occur in people without Diabetes during severe illness or physical stress.

What is the 4 to 6 hour rule for diabetics who are vomiting?

The 4–6 hour rule means people with Diabetes should seek medical help if vomiting continues for more than 4–6 hours.

How can I manage my diabetes during illness?

Manage Diabetes during illness by monitoring blood sugar often, staying hydrated, continuing medication, and following sick-day guidelines.

Create your first image

Got an idea? Try one of our new curated styles and filters or imagine something from scratch.

 References

People with pre-diabetes typically display a gradual increase of fasting blood glucose levels over time, which can continue for years or decades https://pmc.ncbi.nlm.nih.gov/articles/PMC8050380/

Trusted Worldwide
30
Years of
Experience
30 Years Badge

With patients from across the globe, we bring over three decades of medical

Get a Free Quote

Response within 2 hours during business hours

Clinics/branches
Was this content helpful?
Your feedback helps us improve.
What did you like?
Share more details about your experience.
You must give consent to continue.

Thank you!

Your feedback has been submitted successfully. Your input is valuable in helping us improve.

Book a Free Certified Online
Doctor Consultation

Clinics/branches

We're Here to Help.
Get in Touch

Send us all your questions or requests, and our
expert team will assist you.

Our Doctors

Asst. Prof. MD. Yeliz Kömürcü

Asst. Prof. MD. Yeliz Kömürcü

Assoc. Prof. MD. Emrah Dilaver

Assoc. Prof. MD. Emrah Dilaver

Prof. MD. Alpay Çakmak

Prof. MD. Alpay Çakmak

Spec. MD. Zeliha Sırtaş

Spec. MD. Zeliha Sırtaş

Asst. Prof. MD. Ali Kemal Ulaş

Asst. Prof. MD. Ali Kemal Ulaş

Spec. MD. Hüsniye Altan

Spec. MD. Hüsniye Altan

Assoc. Prof. MD. Ali Erhan Özdemirel

Assoc. Prof. MD. Ali Erhan Özdemirel

Spec. MD. RAMİN QELENDEROV

Prof. MD. İbrahim Can Kürkçüoğlu

Prof. MD. İbrahim Can Kürkçüoğlu

Prof. MD. Binnur Pınarbaşı

Prof. MD. Binnur Pınarbaşı

Op. MD. Halil Hüzmeli

Op. MD. Halil Hüzmeli

Assoc. Prof. MD. İdris Sertbaş

Assoc. Prof. MD. İdris Sertbaş