how often should your blood sugar be checked?
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If you take insulin to manage type 2 diabetes, your doctor may recommend blood sugar testing several times a day, depending on the type and amount of insulin you use. Testing is usually recommended before meals and at bedtime if you're taking multiple daily injections.
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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.
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Blood glucose test You should fast for up to 8 hours before having your blood glucose measured to check for diabetes or to see how well treatments are working.
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Many people find it helpful to check their blood sugar when they first wake up in the morning and again before their evening meal or going to bed. Others test before or after each meal. Many people test before and after exercising.
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Fasting Blood Tests Doctors use this test to diagnose diabetes. You'll be asked to fast for 8 hours beforehand. The test is usually done early in the morning so you don't have to go too long without eating. A blood glucose level of 126 milligrams per deciliter or higher is a sign of diabetes.
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Determining the level of glucose in the blood is the most accurate means of monitoring. This should be done about every 1 to 3 months (based on what your veterinarian recommends) if your cat seems well regulated.
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The HbA1c reflects your average blood glucose level over the last 10-12 weeks and it is recommended that you have it done at least every 12 months, although you may be advised to have it done more often such as 3 to 6 monthly. The HbA1c test helps you see how well you are looking after your diabetes.
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The American Diabetes Association (ADA) recommend the following action: Take 15 grams (g) of carbohydrate and wait 15 minutes before testing blood sugar levels.
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If you have known diabetes and your HbA1c is 6.5 to 7 per cent (48-53 mmol/mol), your blood glucose control over the last few months would be considered to be good. Most doctors would recommend that people with diabetes should aim for this range.
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Oral glucose tolerance test. For this test, you fast overnight, and the fasting blood sugar level is measured. Then you drink a sugary liquid, and blood sugar levels are tested periodically for the next two hours. A blood sugar level less than 140 mg/dL (7.8 mmol/L) is normal.
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For these blood glucose tests used to diagnose diabetes, you must fast at least 8 hours before you have your blood drawn. If you have symptoms of diabetes, your doctor may use the random plasma glucose test, which doesn't require fasting.
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Your doctor will typically recommend that you get routine blood work at least once a year, around the same time as your yearly physical. But this is the bare minimum. There are several major reasons you may want to get blood tests more often than that: You're experiencing unusual, persistent symptoms.
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However, fasting is required before commonly ordered tests for glucose (blood sugar) and triglycerides (part of the cholesterol, or lipid, panel) for accurate results. You should not eat for eight hours before having your blood glucose measured to check for diabetes or to see how well treatments are working.
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Type 2 diabetes is usually diagnosed using the: Glycated hemoglobin (A1C) test. This blood test indicates your average blood sugar level for the past two to three months. Normal levels are below 5.7 percent, and a result between 5.7 and 6.4 percent is considered prediabetes.
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The oral glucose test (OGTT) takes place over the course of two hours. Your blood sugar is tested initially, and then you're given a sugary drink. After two hours, your blood sugar levels are tested again: Results of less than 140 mg/dL are normal.
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You and your healthcare team will determine when you should check your blood sugar based on your current health, age and level of activity, as well as the time of day and other factors. They may suggest that you test your blood sugar at any of the following times: Before each meal. 1 or 2 hours after a meal.
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The American Diabetes Association recommends testing your blood sugar at least three times a day if you need multiple daily insulin injections.