Can you drink water before a glucose tolerance test?

Can you drink water before a glucose tolerance test?

DO NOT eat or drink anything except WATER for at least 8 hours before the test. You may drink plain water ONLY. Do NOT drink coffee, tea, soda (regular or diet) or any other beverages. Do NOT smoke, chew gum (regular or sugar-free) or exercise.

Can you brush your teeth before a glucose test?

You should have nothing to eat or drink (other than water) for 8-10 hours before the test. The morning of the test, you can brush your teeth, and you can take medications with small sips of water.

Does what you eat the night before affect glucose test?

Nutrients in food and drinks go into your bloodstream and can change things measured by the tests, skewing your results. For instance, if you eat or drink before a fasting blood glucose test, your blood sugar probably will be higher than if you hadn’t had anything.

Can you eat or drink before a CBC blood test?

One can eat and drink normally before a test. Thus, the simple answer to ‘is fasting required for CBC test’, is No. Fasting is only required, if the doctor requests for a chemical panel test to be conducted along with complete blood count.

Can I eat before taking a glucose test?

According to the National Diabetes Information Clearinghouse, you have to avoid consuming anything for at least 8 hours prior to your glucose tolerance test. Eat a healthier meal the night before the test.

Can you drink water before having blood work done?

Fasting for a blood test entails avoiding all food and beverages (except for water) for 8 to 12 hours prior to the test. Drink plenty of water and take your medications as usual.

Can you drink mineral water before a fasting blood test?

It’s fine to drink water before a blood test, unless you’re instructed otherwise by your doctor. This is different from some surgical procedures, which may require you to have a totally empty stomach. Tap or bottled water are both OK, but leave the squeeze of lemon for another time.