Are butterfly needles better?
James Stevens
Updated on February 25, 2026
Butterfly needles have a reduced rate of blood breaking down, reducing the risk of the blood sample damaged. Butterfly needles are better for those with bleeding disorders. Butterfly needles allow intravenous (IV) access using a small needle.
Why should butterfly needles be avoided?
Butterflies have the highest rate of accidental needle sticks. If done incorrectly, there is an increased potential for a need for a second draw. This can cause discomfort and irritability among patients. In addition, if the needle is not removed carefully, the vein is at risk for damage.
Why do phlebotomist use butterfly needles?
Butterfly needles are often used when a person is giving blood, such as for a blood bank. The needle has flexible tubing attached to the end that makes it easy to connect to other tubing to collect blood.
How much does a butterfly needle cost?
“Oh, the butterfly needles cost $1. These big needles are only 16 cents,” he replied. As a former middle-linebacker I couldn’t allow myself to play the wimp so I obliged and stuck out my arm.
What needle hurts least?
Many practicing dentists prefer narrow diameter (27- or 30-gauge) needles to wider diameter (25-gauge) needles, presuming that patients perceive less pain when a narrow diameter needle is used.
Can you let go of butterfly needle?
Butterfly needles used for IV medications or fluids involve leaving an actual needle in the vein. On the other hand, an IV catheter is a thin, flexible catheter with no needle on the end. Leaving a needle in could potentially injure a part of the vein or nearby areas if accidentally removed.
Are butterfly needles expensive?
Because butterfly needles do cost substantially more than vacutainer needles, one question that labs often ponder is why so many nursing staff choose to use butterfly needles for blood collection.
How do you use a butterfly needle?
A butterfly needle is used to draw blood samples from the body (wrist, hand, and foot). It is the right needle to use in patients with shallow veins or those who move a lot or anxious when a blood is drawn. A butterfly needed is also useful for blood transfusion.
What is a butterfly needle use for?
How is a butterfly needle used? Venipuncture. A venipuncture is when a phlebotomist accesses a vein to draw blood. A phlebotomist is a medical professional who specializes in drawing blood. IV hydration. If you need IV fluids, a nurse or doctor may use a butterfly needle to access a vein. Medication. A butterfly needle also allows a doctor to give IV medications.
What is the smallest gauge butterfly needle?
Small Animal Butterfly sets have the smallest butterfly needle, with outside diameters ranging from 25 to 27 gauge. Standard Butterfly sets are available with three different needle diameters and have a 30.5 cm (12 in) length of tubing. Intermittent Butterfly sets are for intermittent procedures.
Can a butterfly needle be used for an IV?
Butterfly needles may be used in several settings. These simple IV needles can be used for blood collection, a chemo infusion, to give antibiotics, pain medications, or saline fluid. Butterfly needles may be left in place for a few hours or over five to seven days if properly secured.