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What is a Dangerous Blood Sugar Level? (See Chart)

04 Sep 2025 by Jithin Edakkanambeth Varayil, M.D.

What is a Dangerous Blood Sugar Level? (See Chart)

A blood sugar level that is too high or too low can be dangerous and even life-threatening. It's essential to understand what constitutes a dangerous blood sugar level and how to recognize the symptoms. A healthy blood sugar level is crucial for maintaining proper bodily functions, and high or low blood sugar can lead to a range of complications.

Understanding Normal Blood Sugar Levels

Normal blood sugar levels vary depending on factors such as age, sex, and medical conditions. Generally, a blood sugar level of: - 4.4 to 6.4 mmol/L (mmol per liter) for people with diabetes - Less than 7.8 mmol/L for people without diabetes A Look At Bio Integrated Electronics For Seamless Monitoring

is considered normal. However, these numbers can be higher or lower for certain individuals.

Factors Affecting Blood Sugar Levels

A range of factors can impact blood sugar levels, including: - Diet: Consuming high-carbohydrate or high-sugar foods and drinks can raise blood sugar levels. - Exercise: Regular physical activity can help lower blood sugar levels and improve insulin sensitivity. - Medications: Certain medications, such as steroids and some psychiatric medications, can raise blood sugar levels. - Stress: Physical or emotional stress can cause blood sugar levels to rise. - Sleep: Lack of sleep or disrupted sleep patterns can affect blood sugar levels. - Hormonal changes: Hormonal fluctuations during pregnancy, menopause, or puberty can impact blood sugar levels.

Symptoms of High Blood Sugar

High blood sugar can cause a range of symptoms, including: - Increased thirst and urination - Fatigue and weakness - Blurred vision - Cuts or bruises that are slow to heal - Tingling or numbness in hands and feet - Frequent infections - Fluctuating blood pressure How To Manage Blood Sugar Spikes After Meals Pro Tips And Tricks

Symptoms of Low Blood Sugar

Low blood sugar, or hypoglycemia, can cause symptoms such as: - Shakiness and tremors - Sweating - Confusion and disorientation - Dizziness and lightheadedness - Headache - Nausea and vomiting

Managing Blood Sugar Levels

Managing blood sugar levels requires a combination of lifestyle changes and medical treatment. This includes: - Eating a healthy, balanced diet - Engaging in regular physical activity - Monitoring blood sugar levels regularly - Taking medications as prescribed - Managing stress and getting enough sleep - Regularly checking blood pressure and cholesterol levels

It's essential to work with a healthcare provider to develop a personalized plan for managing blood sugar levels. By understanding what constitutes a dangerous blood sugar level and taking proactive steps to manage blood sugar levels, individuals can reduce the risk of complications and improve overall health. What Is The Prediabetes Range And How Can You Reverse It

References and Further Reading