Factors That Raise vs. Lower Blood Sugar

Blood sugar naturally changes throughout the day. Knowing what tends to raise or lower it can help you plan ahead and feel more in control.

🔺 Factors That May Raise Blood Sugar

Factor	Why It Raises Blood Sugar
Eating carbohydrates (bread, rice, fruit, sweets)	Carbohydrates break down into glucose
Large portion sizes	More food = more glucose entering bloodstream
Skipping medication or insulin	Less glucose is moved into cells
Stress	Stress hormones signal the liver to release glucose
Illness or infection	The body releases hormones that increase glucose
Poor sleep	Hormone imbalance can increase insulin resistance
Dehydration	Less fluid in the bloodstream concentrates glucose
Certain medications (like steroids)	May increase blood sugar levels
Hormonal changes	Menstrual cycle, menopause, or thyroid changes can impact glucose

🔻 Factors That May Lower Blood Sugar

Factor	Why It Lowers Blood Sugar
Physical activity	Muscles use glucose for energy
Taking insulin or diabetes medication	Helps move glucose into cells
Eating smaller portions of carbohydrates	Reduces glucose spikes
Balanced meals (protein + fiber + carbs)	Slows glucose absorption
Drinking water	Supports circulation and balance
Consistent meal timing	Prevents sudden swings
Weight management (if recommended)	May improve insulin sensitivity

Important Note:

Some factors (like alcohol or intense exercise) may cause blood sugar to go up or down unpredictably. Monitoring helps you understand your body’s patterns.

When to Talk to Your Healthcare Team

Contact your provider if:

✔ You frequently see high or low blood sugar readings
✔ You can’t identify a clear reason for changes
✔ You’re adding new medications or activity
✔ You’re sick or under stress that affects your levels

Your care team can help you adjust your plan safely.

Always ask your healthcare provider for specific advice on when to call to report symptoms, and when to seek urgent/emergency care.

Medical Disclaimer

This resource is for educational purposes only and is not intended to replace professional medical advice, diagnosis, or treatment. Individuals with diabetes or blood sugar concerns should consult their physician, endocrinologist, certified diabetes educator, or qualified healthcare provider before making changes to medications, diet, or activity. Always follow individualized medical guidance and report any concerning symptoms or glucose levels to your healthcare team. Call 911 if you are experiencing a medical emergency.

This handout is for educational purposes only and is not a substitute for professional medical advice. Always follow your healthcare provider’s instructions.

This content was created with the assistance of AI. Any AI-generated content was reviewed by a Nurse Practitioner.