what causes high hemoglobin a1c

High hemoglobin A1C levels are primarily caused by prolonged elevated blood sugar levels. Here are some common factors that can contribute to high A1C:

• Diabetes or Prediabetes: Uncontrolled diabetes or prediabetes is the most common cause of high A1C levels.
• Insulin Resistance: Conditions like obesity or metabolic syndrome can lead to insulin resistance, causing higher blood sugar levels.
• Diet: Consuming a diet high in refined carbohydrates and sugars can spike blood sugar levels over time.
• Lack of Physical Activity: Sedentary lifestyles can contribute to poor blood sugar control.
• Medications: Certain medications, such as steroids, can increase blood sugar levels.
• Other Health Conditions: Conditions like kidney disease, liver disease, or anemia can affect A1C accuracy.

If you have a high A1C, it's important to work with your healthcare provider to identify the underlying cause and develop a management plan.