Some blood tests will need you to fast beforehand. In such cases, the doctor will instruct you not to eat or drink anything other than water, leading you to a test. Fasting before some blood test is vital to help make sure that your test results are accurate. The vitamins, minerals, Carbohydrates, fats, and proteins can impact your blood level readings, clouding the results of the blood test.

Some blood tests will require you to fast before the bloodwork. 

Blood tests that need you to fast are the following.

  •  Triglyceride level test 
  •  High-density lipoprotein level test 
  •  Cholesterol test
  •  Low-density lipoprotein level test 

If your doctor has ordered a new blood test for you at the best pathology lab in Jalandhar or has not specified whether or not you should fast or for how long, ask them if fasting is necessary. Some tests, such as a fecal occult blood test, do not necessitate fasting but do restrict certain foods. Some foods, such as red meat, broccoli, and some medications, can cause a false positive test. When preparing for a test, always listen to your doctor’s advice.

How long should you fast before a blood work?

The length of time you must fast will vary depending on the test. Most tests will instruct you to consume only water for the eight hours preceding the test. A 12-hour fast may be required for a few tests at the best pathology lab in Jalandhar.

Can you have coffee before a blood test? 

Coffee, even if drunk black, can interfere with blood test results. This is due to the presence of caffeine and soluble plant matter, which may skew your test results. Coffee is also a diuretic, which means it will make you pee more. This has the potential to dehydrate you. The more dehydrated you are, the more difficult it may be for the nurse or other medical professional performing your blood test to locate a vein. It may make your blood test more tricky or stressful.

Can you have alcohol if you are fasting before a blood test?

Some blood tests at the best pathology lab in Jalandhar that evaluate liver health or triglyceride levels may necessitate abstaining from alcohol for a full 24 hours. Alcohol traces can stay in your bloodstream for several days. If you have any concerns about your alcohol consumption, talk to your doctor before scheduling your test.

Also, check with your doctor to see if you can smoke before the test or if you should refrain from smoking during your fast. 

Can you have water before a blood test?

Unless your doctor instructs you otherwise, it is safe to drink water before a blood test. This differs from some surgical procedures, which may necessitate an empty stomach. For quotes on Assure pathlabs all test, contact us today. Both tap and bottled water are acceptable, but save the lemon juice for another occasion. Seltzer and club soda are not permitted. During a fast, no carbonated beverages, flavored or otherwise, should be consumed, nor should any type of tea.

By Nikitha

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