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What If I Took the Wrong Type of Insulin?

04 Sep 2025 by Arpitha K. Ketty, M.D.

What If I Took the Wrong Type of Insulin?

Taking the wrong type of insulin can have serious consequences on your health, especially if you have diabetes. Insulin is a medication that helps regulate blood sugar levels in the body, and there are several types of insulin available, each with its own characteristics and uses. If you take the wrong type of insulin, you may experience a range of symptoms, including high or low blood sugar levels, dizziness, and even life-threatening complications.

The main types of insulin include:

  • Rapid-acting insulin, such as NovoLog or Humalog, which starts working within 15 minutes and lasts for 2-4 hours
  • Short-acting insulin, such as Humulin or Novolin, which starts working within 30 minutes and lasts for 3-6 hours
  • Intermediate-acting insulin, such as Lantus or Levemir, which starts working within 2-4 hours and lasts for 12-18 hours
  • Long-acting insulin, such as Lantus or Levemir, which starts working within 2-4 hours and lasts for 24 hours or more

If you take the wrong type of insulin, you may experience a range of symptoms, including:

  • High blood sugar levels, which can lead to symptoms such as thirst, frequent urination, and blurred vision
  • Low blood sugar levels, which can lead to symptoms such as dizziness, shakiness, and confusion
  • Increased risk of complications, such as nerve damage, kidney damage, and heart disease

If you suspect that you have taken the wrong type of insulin, it is essential to seek medical attention immediately. Your healthcare provider can help you identify the type of insulin you need and provide guidance on how to manage your condition. Are You At Risk Understanding The Early Signs Of High Blood Sugar

In addition to the symptoms mentioned above, taking the wrong type of insulin can also lead to more serious complications, including: A1C Calculator Convert Your A1C To An Estimated Average Glucose Eag

  • Diabetic ketoacidosis, a condition that occurs when the body produces high levels of ketones, which can be life-threatening
  • Hypoglycemic coma, a condition that occurs when the body's blood sugar levels drop too low, which can be life-threatening
  • Nerve damage, which can lead to numbness, tingling, and pain in the hands and feet
  • Kidney damage, which can lead to kidney failure and the need for dialysis

To avoid taking the wrong type of insulin, it is essential to:

  • Always follow the instructions provided by your healthcare provider
  • Read the label carefully to ensure you are taking the correct type of insulin
  • Keep a log of your insulin doses to track your usage and identify any errors
  • Inform your healthcare provider of any changes in your symptoms or medication schedule

In conclusion, taking the wrong type of insulin can have serious consequences on your health. It is essential to follow the instructions provided by your healthcare provider and to keep a log of your insulin doses to avoid taking the wrong type of insulin. If you suspect that you have taken the wrong type of insulin, seek medical attention immediately. Control Blood Sugar And Reverse Prediabetes An Actionable Plan

References and Further Reading