Can You Drink Water And Coffee Before A Fasting Blood Test

Examples of blood tests that may require you to fast include.

Can you drink water and coffee before a fasting blood test. Tea coffee or cordials. In addition you should not. But the sacrifice is worth it to ensure youre getting the most accurate results from many blood tests said Whitney Thomas a clinical laboratory.

While you may consider black coffee before a blood test little more than water drinking it causes you to absorb caffeine and other organic compounds into your bloodstream. Ask your doctor if you can drink coffee before a test. Answer 1 of 8.

Even if your doctor tells you that water tea and coffee are fine this doesnt automatically mean that all beverages are on the table. Can I drink black coffee before a fasting blood test. When fasting for blood tests you may still drink water plain coffee or black tea.

Fasting means that you eat and drink nothing except water for 8 16 hours before your blood test 12 hours optimal. No do not drink coffee even if it is black. A comprehensive test such as a metabolic panel uses one blood sample for a variety of assays -- some of which require fasting 1.

If your healthcare provider has instructed you to fast before your upcoming test it means that you should not eat or drink anything besides water for the specified amount of time before having your blood drawn. But if youre having a fasting blood test you will be told not to eat or drink anything other than water beforehand. But you can drink water.

These activities can also affect your results. Fasting Before a Blood Test. And youre told to fast for 8 hours only water is OK.