The Good News: It Can Be Reversed

Research shows hypoglycemia unawareness can often be reversed. The key strategy is simple in concept but requires discipline:

Strictly avoid ALL lows for 2-4 weeks.

When you go 2-4 weeks without any hypoglycemia, your body's counter-regulatory hormone system "resets." The threshold for releasing adrenaline and other warning hormones rises back toward normal, and symptoms return.

How to Reverse Unawareness

1. Raise Your Targets Temporarily

Work with your healthcare team to:

• Aim for slightly higher blood sugars (e.g., target 120-180 mg/dL instead of 80-150 mg/dL)
• Accept a temporary rise in A1C — safety is more important than a number
• Goal: Zero lows for 2-4 weeks — not "fewer lows," but zero

2. Adjust Insulin Settings

• Lower basal rates by 10-20%
• Reduce bolus doses (increase carb ratios)
• Increase correction targets (e.g., correct to 140 instead of 110)
• Add more IOB safety margin
• Consider reducing pre-meal insulin timing

3. Use CGM Technology

CGM is essential during the reversal process:

• Set alerts at 80-90 mg/dL (BEFORE reaching 70)
• Enable predictive alerts if available (warns 20-30 minutes ahead)
• Share data with a partner, family member, or friend
• Review trends daily to catch patterns before they cause lows

4. Blood Glucose Awareness Training (BGAT)

BGAT is a structured program shown in studies to help people recognize internal cues of blood sugar changes. It teaches you to:

• Pay attention to subtle physical and mental cues
• Use contextual information (time since meal, activity level, insulin timing)
• Build confidence in estimating your blood sugar without checking

Ask your diabetes team about BGAT or similar programs available in your area.

Scenario: Emma's 4-Week Reset

Emma, 36, was diagnosed with IAH after two severe lows at work where colleagues had to help her. Her endocrinologist created a reversal plan:

Week 1-2: Emma raised her pump targets to 130-180 mg/dL, reduced her basal by 15%, and set CGM alerts at 85 mg/dL. She had two mild lows (68-69 mg/dL) in the first week — caught early by the CGM alert.

Week 3-4: Zero lows. And then something happened: during a meeting, Emma felt her hands trembling slightly. She checked — 72 mg/dL. She treated immediately. She hadn't felt a low like that in months.

After 4 weeks: Emma's awareness was returning. She gradually brought her targets back down, but kept them higher than before. Her A1C went from 6.3% to 7.1% — but she hadn't had a severe low since starting the plan.

Reversal Action Plan Template