what causes hemoglobin a1c to be high

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: Unmanaged 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 your A1C is high, consult your healthcare provider to identify the underlying cause and develop a management plan.