by Cynthia M. Johnson, MA
Therapeutic phlebotomy is the removal of blood from your body to treat a medical condition.
Reasons for Procedure
This procedure may be done to treat:
Problems from the procedure are mild. Potential problems include:
Before your procedure, talk to your doctor about ways to manage factors that may increase your risk of complications such as:
What to Expect
Prior to Procedure
Prior to the procedure, you may have:
You may be asked about:
Questions you should ask:
You may need to stop taking some medications up to 1 week before the procedure.
To get ready for your procedure:
Anesthesia is not needed for this procedure.
Description of the Procedure
You will be asked to sit. An area inside your elbow will be cleaned with an antiseptic wipe. A large band will be tied around your arm. The needle will then be inserted into a vein. The band on your arm will be removed. A tube will collect the blood from the needle. After all the blood is collected, the needle will be removed. Some gauze will be placed over the site to help stop bleeding. You may also be given a bandage to place over the site. The process takes about 5-10 minutes.
How Long Will It Take?
Will It Hurt?
This procedure is not painful, but you may feel some discomfort when the needle is inserted.
At the Care Center
After the procedure, you will be given a snack and something to drink.
The staff may ask you to stay seated for 10-15 minutes. If you are lightheaded, you may need to stay seated longer. You will be able to leave when you feel better.
Staff will take steps to reduce your chance of infection such as:
There are also steps you can take to reduce your chances of infection such as:
You will be asked to monitor the puncture site for bleeding or excessive bruising.
Call Your Doctor
Call your doctor if any of these occur:
If you think you have an emergency, call for emergency medical services right away.
Family Doctor—American Academy of Family Physicians
Iron Disorders Institute
The College of Family Physicians of Canada
Phlebotomy. Iron Disorders Institute website. Available at:
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Accessed March 14, 2018.
Therapeutic phlebotomy. The Blood Connection website. Available at: https://thebloodconnection.org/products-services/donor-services/therapeutic-phlebotomy/phlebotomy. Accessed March 14, 2018.
Therapeutic phlebotomy. Oklahoma Blood Institute website. Available at: https://obi.org/about-us/therapeutic-phlebotomy. Accessed March 14, 2018.
Last reviewed March 2018 by EBSCO Medical Review Board Marcie L. Sidman, MD
Last Updated: 3/24/2014
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