Community AnswerAnswered by Dr. Emily Smith 🩺Answered: 1/16/2025Several factors can cause your A1C levels to increase, including: High Blood Sugar Levels: Consistently high blood glucose levels over time will raise your A1C. Poor Diabetes Management: Not following your diabetes care plan, including diet, exercise, and medication, can lead to elevated A1C. Certain Medical Conditions: Conditions like kidney disease, liver disease, or anemia can affect A1C accuracy. Medications: Some medications, such as steroids or certain HIV drugs, can increase blood sugar levels. Lifestyle Factors: Lack of physical activity, stress, and poor diet can contribute to higher A1C levels. If your A1C is rising, consult your healthcare provider to adjust your management plan.