What can happen if your blood sugar is too high?

Having too much sugar in the blood for long periods of time can cause serious health problems if it’s not treated. Hyperglycemia can damage the vessels that supply blood to vital organs, which can increase the risk of heart disease and stroke, kidney disease, vision problems, and nerve problems.

What causes high blood sugar levels?

High blood sugar (hyperglycemia) affects people who have diabetes. Several factors can contribute to hyperglycemia in people with diabetes, including food and physical activity choices, illness, nondiabetes medications, or skipping or not taking enough glucose-lowering medication.

What sugar level is high?

Blood sugar levels are considered high if they’re over 130 mg/dL before a meal or 180 mg/dL within one to two hours after a meal. Many people won’t start to experience symptoms from high blood sugar until their levels are at 250 mg/dL or higher.

What is the difference between high blood sugar and diabetes?

Hyperglycemia, or high blood glucose, is a symptom that characterizes diabetes. Insufficient insulin production, resistance to the actions of insulin, or both can cause diabetes to develop. When a person eats carbohydrates, the body breaks them down into simple sugars that enter the bloodstream.

What foods can lower blood sugar quickly?

Some of the foods that help keep your blood sugar levels in the healthy range include:

Vegetables: Green peas. Onions. Lettuce.
Certain fruits: Apples. Pears. Plum.
Whole or minimally processed grains: Barley. Whole wheat. Oat bran and rice bran cereals.
Dairy and dairy-substitute products: Plain yogurt. Cheese. Cottage cheese.

Is blood sugar of 210 high?

Here’s what your test results could mean: random blood sugar of 200 mg/dL or more = diabetes. random blood sugar level between 140 and 199 mg/dL = prediabetes. random blood sugar less than 140 mg/dL = normal.