Can You Drink Black Coffee Before Having Lab Work

And youre told to.

Can you drink black coffee before having lab work. Do you really have to fast for 12 hours before a blood test. Could depending on the test if is blood sugar or chol then coffe. The definition of fasting should be clarified for all procedures in your institution if.

Coffee is also a diuretic which means that it will increase how much you pee. Fasting means you dont eat or drink anything but water usually for 8 to 12 hours beforehand. When fasting for blood tests you may still drink water plain coffee or black tea.

Avoiding coffee before a blood test Drinking coffee and eating are OK before some blood tests but not others and some doctors say any black coffee at all before is OK even before a cholesterol test as long as you dont add cream or sugar. Answer 1 of 5. This is a new dr.

As some of the other answers suggested doctors dont recommend drinking anything before a blood test. Thats because it contains caffeine and soluble plant matter which might skew your test results. These beverages generally will.

May I drink coffee or tea. Take your regular medications unless you are specifically told to take them only with food. Doctors keep telling patients it is all right to have black coffee before fasting blood work fasting sugar fasting lipid panel.

It is recommended that if you are asked to be fasting for a lab that you only drink water or black coffee prior to the lab. I have a blood draw in the morning i start fasting at midnight can i drink black coffee. Thats why you cant drink coffee before a blood glucose test.