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Doctor insights on: Blood Bruises On Arm

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How long should a bruise from having blood drawn from my arm last?

How long should a bruise from having blood drawn from my arm last?

10 days: Usually a bruise resolves in 7 to 10 days. It will change color from blue to green to yellow as it revolves. ...Read more

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Bruise (Definition)

Bruises, or ecchymoses, are a discoloration and tenderness of the skin or mucous membranes due to the leakage of blood from an injured blood vessel into the tissues. Pupura refers to bruising as the result of a disease condition. A very small bruise is called a petechia. These often appear as many tiny red dots clustered together, and could ...Read more

Dr. William Forsythe
Board Certified, Emergency Medicine
21 years in practice
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Why does the skin on your arm around the area blood is taken from bruise after a blood test?

Why does the skin on your arm around the area blood is taken from bruise after a blood test?

Bruise: The blood vessel is punctured when blood is withdrawn during a blood test. If the vessel is not compressed long enough, blood will leak out of the vessel giving a bruise. Holding direct pressure with a cotton ball for 10 or 15 minutes is usually enough. However if a person is on platlet inhibitors such as asprin longer might be necessary. ...Read more

Dr. William Forsythe
Board Certified, Emergency Medicine
21 years in practice
169.0K people helped
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Treating Bruises (Checklist)

Wear protective gear whenever needed, to prevent new bruises.
Daily
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I had blood drawn from my arm and now my arm and elbow is bruised and discolored.. Should I be alarmed?

I had blood drawn from my arm and now my arm and elbow is bruised and discolored.. Should I be alarmed?

Possibly: Unfortunately, bruising after phlebotomy is a common side effect especially if you are on blood thinners. If the bruising continues to spread, becomes excessively painful, swells, becomes red & hot, a visit to your doctor is indicated. ...Read more

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Treating Bruises (Checklist)

Ice pack to area asap after injury
30 min, once for 1 days
Dont be frighten of color changes (bleeding can be deep in fat tissue
once
If many bruises with no injuries, see your MD for blood tests
once
Board Certified, Emergency Medicine
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Gave blood over four weeks ago. When drawn, my arm was shaking almost uncontrollably. It bruised dark purple, now gone, but still hurts. Go see dr?

Gave blood over four weeks ago. When drawn, my arm was shaking almost uncontrollably. It bruised dark purple, now gone, but still hurts.  Go see dr?

Minor injury: The shaking of your hand probably caused the needle to pierce and traumatize the vein and tissue. This caused a hematoma (the discoloration). You also may have traumatized a small nerve or caused a mechanical phlebitis ( inflammation of a vein). This could account for the pain. Lastly there is rare neurologic condition called rsd that can can occur from minor injuries. This in unlikely. ...Read more

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I had blood drawn from my arm 10 days ago. The nurse didn't miss, but I still have a bruise that is 10 CM in length and is getting more painful?

I had blood drawn from my arm 10 days ago. The nurse didn't miss, but I still have a bruise that is 10 CM in length and is getting more painful?

See doctor: You should see your doctor, as a hematoma/bruise should not be hurting 10 days after a blood draw. You should contact the facility where you had the blood drawn. ...Read more

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Treating Bruises (Checklist)

Avoid recurrent trauma to area
once
Use ice to reduce inflammation
20 min, 4x day for 3 days
NSAIDs for moderate pain
every 6 hours
Light massage after 3 days of ice therapy
once
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I had blood drawn from my arm and now my arm and elbow is bruised and discolored. Should i be alarmed?

I had blood drawn from my arm and now my arm and elbow is bruised and discolored. Should i be alarmed?

Depends: After a blood draw, if there is slight bleeding underneath the skin, this creates the bruise. If enough pressure is placed after a blood draw, there should not be much bruising. If it is a small bruise, there should be no reason for alarm. It usually resolves within a week. If the bruise is large (extends farther from the are of the blood draw) and causes pain, seek medical attention. ...Read more

Dr. Melissa Gowans
1,158 doctors shared insights

Ecchymoses (Definition)

Ecchymoses is also known as Bruise. Ecchymoses are bruises. Bruises are purple or red collections of blood under the skin that appear after blood vessels in the skin break, causing the blood to spread through the tissues ...Read more

Dr. Lori Semel
1,739 doctors shared insights

Bruising (Definition)

Bruises may occur over skin that is injured. Bruising from very minor injury can be a sign ...Read more

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Dr. William Forsythe
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21 years in practice
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