Can You Drink Water Before A Blood Test? When your healthcare professional orders blood drawn for testing, and the physician instructs you to fast before the test, the first thing people want to know is, can you drink water before a blood test? If the physician instructs you to not eat or drink anything except water before the blood is drawn, what the physician means is that water is the only thing you may consume before the test. Can You Drink Water Before A Blood Test? Some people they should avoid lots water before a blood test , not only is this untrue, it’s unhealthy. • Drink Water Drinking water helps you feel better when you’re fasting, and makes it easier to draw blood. Our body contains at least 60% water, depending upon gender and age, and it's important to keep hydrated during the fast. Fortunately, water is almost completely void of the nutrients that may affect blood levels. However, it must be consumed plain, because soda, fruit drinks, sports drinks, coffee, and tea, can all interfere with a blood test. • …show more content…
Furthermore, if urine tests are ordered along with blood tests, it will be easier for you to provide a sample, and the water will have no measurable impact because it contains no calories, fats or sugars. • Avoid Dehydration You’ll want to avoid dehydration because, not only is it not healthy, it could affect your triglyceride counts. These triglyceride counts are an important part when determining triglyceride levels in certain screenings. Dehydration increases the risk of artificially high readings of triglyceride levels, and drinking plenty of water will avoid this risk. Tip: Get an early start on hydration by drinking extra water the day before your blood draw to make sure you’re adequately hydrated the day of the