Blood sugar levels can fluctuate for many reasons - Mayo Clinic
2024年3月13日 · Many factors can cause high blood sugar (hyperglycemia) in people with diabetes. Factors include: Food and physical activity choices. Dehydration. Certain medications, especially those that contain steroids. Skipping or not taking enough medication that lowers blood sugar. Taking medications incorrectly. Illness, infection, injury or surgery.
Diabetes and exercise: When to monitor your blood sugar
2024年1月9日 · Some examples are fruit juice, fruit and crackers. Or take 10 to 20 grams of glucose products, which come in forms such as gels, powders and tablets. After you exercise, check your blood sugar again to find out if it's about 90 mg/dL. 90-124 mg/dL (5-6.9 mmol/L). Take 10 grams of glucose before you exercise.
Diabetes - Symptoms and causes - Mayo Clinic
2024年3月27日 · As the blood sugar level drops, so does the secretion of insulin from the pancreas. The role of glucose. Glucose — a sugar — is a source of energy for the cells that make up muscles and other tissues. Glucose comes from two major sources: food and the liver. Sugar is absorbed into the bloodstream, where it enters cells with the help of insulin.
Diabetic retinopathy - Symptoms & causes - Mayo Clinic
2023年2月21日 · Diabetic retinopathy (die-uh-BET-ik ret-ih-NOP-uh-thee) is a diabetes complication that affects eyes. It's caused by damage to the blood vessels of the light-sensitive tissue at the back of the eye (retina). At first, diabetic retinopathy might cause no symptoms or only mild vision problems. But it can lead to blindness.
Blood sugar testing: Why, when and how - Mayo Clinic
2024年1月16日 · A blood sugar meter is used to test blood sugar. The meter measures the amount of sugar in a small sample of blood. Most often, the blood comes from the side of the fingertip. Then the blood is placed on a disposable test strip. With certain CGMs, you still may need a blood sugar meter to set your CGM device daily.
A1C test - Mayo Clinic
2022年12月1日 · The A1C test is a common blood test used to diagnose type 1 and type 2 diabetes. If you're living with diabetes, the test is also used to monitor how well you're managing blood sugar levels. The A1C test is also called the glycated hemoglobin, glycosylated hemoglobin, hemoglobin A1C or HbA1c test. An A1C test result reflects your average blood ...
Blood pressure: Does it have a daily pattern? - Mayo Clinic
2024年5月22日 · Blood pressure has a daily pattern. Usually, blood pressure starts to rise a few hours before a person wakes up. It continues to rise during the day, peaking in midday. Blood pressure typically drops in the late afternoon and evening. Blood pressure is …
Gestational diabetes - Symptoms & causes - Mayo Clinic
2022年4月9日 · Gestational diabetes is diabetes diagnosed for the first time during pregnancy (gestation). Like other types of diabetes, gestational diabetes affects how your cells use sugar (glucose). Gestational diabetes causes high blood sugar that can affect your pregnancy and your baby's health. While any pregnancy complication is concerning, there's ...
The dawn phenomenon: What can you do? - Mayo Clinic
2022年11月12日 · The dawn phenomenon leads to high levels of blood sugar, a condition called hyperglycemia. It usually happens between 4 a.m. and 8 a.m. The cause of the dawn phenomenon isn't clear. Some researchers believe the overnight release of certain hormones that happens naturally increases insulin resistance. That causes blood sugar to rise.
Type 2 diabetes - Symptoms and causes - Mayo Clinic
2023年3月14日 · Type 2 diabetes is a condition that happens because of a problem in the way the body regulates and uses sugar as a fuel. That sugar also is called glucose. This long-term condition results in too much sugar circulating in the blood. Eventually, high blood sugar levels can lead to disorders of the circulatory, nervous and immune systems.