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16 Φεβ 2022 · How long do you have to fast before a blood test? Can you drink water? Black coffee? Get expert answers to your questions about fasting before a blood test.
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29 Ιουλ 2024 · Does black coffee affect a fasting blood test? You should not drink coffee or any other beverage besides water. Coffee contains caffeine, which can affect the results of some tests.
18 Ιουλ 2023 · Learn which blood tests require you to fast and how long you should abstain from eating and drinking. Find out why coffee, alcohol, and other substances can interfere with your test results and what to do if you forget to fast.
16 Απρ 2024 · Very few blood tests require a period of fasting before the test. They include tests for blood glucose and triglycerides. It is permitted to drink water, coffee, or black tea before the tests.
11 Μαρ 2022 · If you aren't having any fasting blood tests, then it's typically OK eat and drink normally leading up to a non-fasting blood draw, according to the National Health Service. And yes — that means you can have your morning cup of joe (or tea) before your appointment.
3 Ιουν 2024 · Some blood tests require you to stop eating and drinking (fasting) several hours before a blood test. Learn how long to fast and what to do if you accidentally eat or drink.
15 Ιουλ 2024 · Fasting before a blood test means that a person should not eat or drink anything other than water. Typically, if a blood test requires fasting, doctors schedule it for the morning.