What Is The Highest Blood Sugar Level That Is Safe?

What is the minimum and maximum level of blood sugar?

Normal and diabetic blood sugar ranges For the majority of healthy individuals, normal blood sugar levels are as follows: Between 4.0 to 5.4 mmol/L (72 to 99 mg/dL) when fasting.

Up to 7.8 mmol/L (140 mg/dL) 2 hours after eating..

What is normal blood sugar by age?

Normal blood sugar levels for adolescentsNormal blood sugar levels for adolescentsAge 6-12mg/dLFasting80-180Before meal90-1801-2 hours after eatingUp to 1401 more row•Oct 5, 2020

How do you feel when your blood sugar is too high?

If your blood sugar level is too high, you may experience:Increased thirst.Frequent urination.Fatigue.Nausea and vomiting.Shortness of breath.Stomach pain.Fruity breath odor.A very dry mouth.More items…•

How can I quickly lower my blood sugar?

When your blood sugar level gets too high — known as hyperglycemia or high blood glucose — the quickest way to reduce it is to take fast-acting insulin. Exercising is another fast, effective way to lower blood sugar. In some cases, you should go to the hospital instead of handling it at home.

How high can a normal person blood sugar go?

Interpreting the resultsFasting blood sugar levelRisk level and suggested action90–120 mg/dlNormal range120–160 mg/dlMedium: Seek medical attention160–240 mg/dlToo high: Work to bring down blood sugar levels240–300 mg/dlMuch too high: This could be a sign of ineffective glucose management, so see a doctor3 more rows

What blood sugar level is lethal?

In general, a blood sugar reading of more than 180 mg/dL or any reading above your target range is too high. A blood sugar reading of 300 mg/dL or more can be dangerous. If you have 2 readings in a row of 300 or more, call your doctor.