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NO 95% of fasting tests require nothing but water and the amount of toothpaste it took to do your teeth in the morning.
No, it is generally recommended to only consume water when fasting for blood work. Milk contains calories and nutrients that can affect the results of certain blood tests. It is best to follow your healthcare provider's instructions for fasting before blood work.
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Yes it is appropriate to have fasting blood tests during periods
A CBC test (Complete Blood Count) does not require fasting unless the doctor has ordered other tests and the office tells you not to drink or eat the night before.
Fasting Blood Glucose Lipid Profile Fasting Blood Glucose Lipid Profile
Blood urea nitrogen tests require a 12 hour fasting before hand. Preanesthetic blood work requires a fasting before hand also. Most all blood work requires a 12 hour fasting before hand.
After a fasting blood sample you can eat immediately.
To check diabetic profile
for lipid profile require fasting blood sample (atleast 12-14hrs). fasting blood glucose. etc. etc.
It depends on the type of blood test. For fasting sugar tests it can have an affect. Fasting longer than 12 to 14 hours will cause your body to start utilizing glycogen that is primarily stored in your muscles and that can affect blood tests for fasting sugar.
Eating before a blood test will cause your blood sugar levels to rise. That is why they are referred to as "fasting" blood tests, meaning you are not supposed to eat or drink anything but water before having them.