Can You Drink Water And Black Coffee Before A Fasting Blood Test

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Can you drink water and black coffee before a fasting blood test. You are still going to need to avoid sodas carbonated drinks energy drinks sugary drinks and fruit juices as well. Can you drink black coffee before a fasting cholesterol blood test. Unless you are given an exception you should not eat any food during this time or drink hot or iced black coffee or tea soda juice or any liquid but plain water.

You need only plain water without added vitamins flavoring or carbonation to achieve the correct fluid and electrolyte balance in your blood chemistry prior to fasting labs. Examples of blood tests that may require you to fast include. Fasting Before a Blood Test.

Even if you drink it black coffee can interfere with blood test results. We have worked here to make 1 standard definition of fasting that encompasses most test requirements. Take your regular medications unless you are specifically told to take them only with food.

Studies found that the effects were fairly small though it seems like the brewing method might make a difference 2 3. Abstain from eating or drinking anything except water for at least 8 -10 hours before a blood glucose test. Educational text answers on HealthTap are not intended for individual diagnosis treatment or prescription.

Just to make sure ask your doctor. 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. It is often the first test done to check for diabetes a condition caused by too much sugar in the blood.

And you probably know the drill. Doctors your own question and get educational text answers its anonymous and free. Your doctor will let you know if and when you should be fasting or will refer you to the testing laboratory for explicit instructions.