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Doctor insights on: Hematoma After Blood Draw

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Dr. Daniel Saurborn
558 Doctors shared insights

Hematoma (Definition)

A condition in which there has been bleeding between the scalp and the skull, and the blood is trapped under the scalp, forming a blood-filled bulge. Can usually ...Read more


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Have a history of blood clots in arm, leg, and pulmonary embolism. Last night I had a blood draw, today huge hematoma that is painful. Possible clot?

Have a history of blood clots in arm, leg, and pulmonary embolism. Last night I had a blood draw, today huge hematoma that is painful. Possible clot?

No: A hematoma occurs when blood leaks out of the blood vessel that was punctured. There is a pool of blood in the adjacent tissues and, since blood is irritating, it hurts. Because of your hx, I'm guessing you might be on an anticoagulant ("blood thinner")? If so, it predisposes you to a hematoma. Hematomas hurt but get better on their own. There's no risk of the clot "traveling" anywhere. ...Read more

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I had a blood draw a week ago tomorrow and the bruise is getting worse was wondering what to do?

I had a blood draw a week ago tomorrow and the bruise is getting worse was wondering what to do?

Observation: Just try some warm compress over the area. The bruising will improve and resolve and the heat speeds the process up ...Read more

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Why after blood draw in arm a big bruise?

Why after blood draw in arm a big bruise?

Normal: Some of the blood drawn during the needle stick leaked inside your skin, its ok and it happens, unless there is a hard lump or extreme pain then you should be ok, it will disappear just like any other bruise. ...Read more

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I got a bruise after a blood draw and the bruise is getting bigger. There is no pain and no numbness or weakness. Could it be serious? How does it go?

I got a bruise after a blood draw and the bruise is getting bigger. There is no pain and no numbness or weakness. Could it be serious? How does it go?

Not serious: By far the most likely explanation is some spreading of the hematoma under the skin. Its color will change from purple to green to yellow, and then it will disappear. ...Read more

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Every bruise I get, bump into table, stub toe, blood draw... Leaves a stain, like a shadow of the bruise. Blood draw was 90 days ago!! Can you explain?

Every bruise I get, bump into table, stub toe, blood draw... Leaves a stain, like a shadow of the bruise. Blood draw was 90 days ago!! Can you explain?

See your doctor: Injury or blood draw can sometimes result in bruising. A residual discoloration is often due to some hemosidrin deposits in the subcutaneous skin and can give a hue around the injury/blood draw site. However, 90 days is a prolonged amount of time for that to still be present. Medications and diseases can also be related to preventing clots which can lead to prolonged bruising. Get checked! ...Read more

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I had a blood draw today and now have about a 2 inch bruise running along the vein. Sore to the touch. Should I worry?

I had a blood draw today and now have about a 2 inch bruise running along the vein. Sore to the touch. Should I worry?

Bruise and swelling: May occur with blood draw. Application of ice and analgesic will reduce the pain. The bruise may last a few more days ...Read more

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Week ago I did blood draw and I felt pain from pinch down to my hand. After few days little bruise appeared. It still hurt when I straight arm. Why?

Week ago I did blood draw and I felt pain from pinch down to my hand. After few days little bruise appeared. It still hurt when I straight arm. Why?

Likely harmless: What you describe is a "blown" vein. When your blood was drawn, the tech likely obtained the specimen then on withdrawal the vein ruptured which isn't as bad as it sounds. Veins often have associated nerves that travel with them. The bruising also makes this more likely. Apply heat a few times per day and it should go away. ...Read more

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Bad blood draw yesterday (venipuncture/8vials).Immediately:red/blue, v.swollen&painful. Now:flat, hard lump, bruise. Do ruptured veins heal? Just a leak?

Bad blood draw yesterday (venipuncture/8vials).Immediately:red/blue, v.swollen&painful. Now:flat, hard lump, bruise. Do ruptured veins heal? Just a leak?

Hematoma: The venipuncture for blood draw leaked and caused a hematoma outside of the vein or in the vein wall or both and this will heal in most cases without any consequences. I recommend ice in the first 2 days, several times a day (15 min each time) and switch to topical heat on day 3-4 and take ibuprofen as tolerated. ...Read more

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I had blood drawn, was a large lump under my skin, 4 days later shows up as a Hematoma, its very painful and around the main vein any dangers?

I had blood drawn, was a large lump under my skin, 4 days later shows up as a Hematoma, its very painful and around the main vein any dangers?

Blood clotted: Blood clotted under the skin which is not a serious issue as these clots Don't travel. Applying heat over the area, if it is several days old, May help dissolve the clot. Sometimes it has to be removed by a small incision if the hematoma is persistent and problematic. ...Read more

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What is the definition or description of: blood draw?

What is the definition or description of: blood draw?

Blood- needle remova: Needle removal of blood from your arm by a vacuum tube or syringe. ...Read more

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Redness & pain at blood draw site?

Redness & pain at blood draw site?

It depends: If you just had your blood drawn, then there is red swelling and pain, then some extra blood might have leaked under the skin. This will go away with time. If it has been a few days since you had your blood drawn, then you might be dealing with an infection, and you need to have your doctor check it out. You can put on some topical antibiotic and a bandaid, and call your doctor. ...Read more

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Could HIV spread by unsafe blood draw?

Could HIV spread by unsafe blood draw?

In clinical settings: Single use, disposable sterile needles are used. This does not create a risk for the tranmission of HIV to the person who is having their blood drawn. ...Read more

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Does HIV transmit during blood draw...

Does HIV transmit during blood draw...

HIV: If the blood drawer sticks themselves with the needle which has been in a vein or artery of an HIV+ person they may get HIV infection in this manner, but this is a very unusual occurrence. In order to get HIV you need intimate contact between a positive and negative person, either sexually, needle sharing, organ donation, etc. This is not an easy disease to acquire if you are reasonably careful. ...Read more

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Possible to get infection from blood draw?

Very unlikely: As long as the phlebotomist is trained, your risk of infection is low. Redness at the site of the draw is typically phlebitis, or inflammation of the vein where the needle went in. This is not an infection, and can be treated with warm compresses. ...Read more

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Why blood go up the tube during blood draw?

Pressure gradient: There is a pressure gradient that allows the he vein into the blood to flow from tube. ...Read more

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Is it normal to feel tired after a blood draw?

Is it normal to feel tired after a blood draw?

How much?: A routine blood draw for testing should not cause one to be tired. If you donated blood at a blood bank then the tiredness may last a day or so. ...Read more

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Which blood draw schedule is needed for accutane?

Accutane: It will depend upon your doctor. The ipledge program requires monthly blood tests. I have treated patients with Accutane for about 25 years and I require that they get weekly blood tests. It is a great drug but must be monitored closely. ...Read more

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I was wondering why people fear blood draw or injection?

Phobias: Some people may be afraid due to the pain associated with needle stick. Others have a phobia of seeing blood. For others it may harken back to some unpleasant experience with healthcare providers. Phobias are by definition irrational. ...Read more

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What is safer for baby with suspected syndrome, amnio or blood draw after birth?

What is safer for baby with suspected syndrome, amnio or blood draw after birth?

Safer after: Always safer after pregnancy - an amniocentesis has a small, but real risk of causing you to lose the pregnancy. So, it is always safer to check after you deliver.

Good luck! ...Read more

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Terrified of blood draw, but need to do it. What type of relaxation aids are there?

Terrified of blood draw, but need to do it. What type of relaxation aids are there?

Relax: Deep breathing. They also have topical Lidocaine they can apply to make the pain much less. Bring an ipod or headphones and crank up the sound to focus your thoughts elsewhere. Ask them to use the smallest needle possible. ...Read more

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Why would I be feeling like this after blood tests? Held my breath during blood draw and had to sit back down

Why would I be feeling like this after blood tests? Held my breath during blood draw and had to sit back down

Not uncommon: Feeling dizzy or light headed, or even fainting are not uncommon and do not indicate that any thing is wrong with you, especially, it is no indication of your fortitude. Now that you know that it is likely to happen to you, plan to rest, preferably, recumbent, for a few minutes, after blood draw. ...Read more

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Had blood draw and now 3/4 hour later it is num and tingling and at one poin pain radiated up shoulder, scared?

Phlebotomy Norms: Unfortunately it is common to have a temporary pain, numbness or bruising from a blood draw. I would advise being careful with this arm and if the pain worsens or if you become feverish then you contact your physician. In most cases the temporary symptoms will subside and all will be well. ...Read more

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Started b complex day before blood draw didn't take one morning of draw but b12 was >2000 is this from the one pill day b4?

Started b complex day before blood draw didn't take one morning of draw but b12 was >2000 is this from the one pill day b4?

I would doubt it: As the usual normal value is about 180-900 ng/L, your reported value (if in these units) should not result from one B complex vitamin pill (or even daily pills!). As a high B12 level is uncommon, I would be suspicious of the test and repeat it before doing anything else. Rare causes of elevation are liver disease and bone marrow problems including some leukemias. ...Read more

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Can the fingertip blood draw for diabeties detect all diabeties known to man? They say I don't have it but my symptoms indicate I do

Can the fingertip blood draw for diabeties detect all diabeties known to man? They say I don't have it but my symptoms indicate I do

Diabetes: Diabetes is diagnosed with a fasting glucose less than 125. Glucose should be less than 145 two hours after a meal. Another test, hga1c above 6 may mean diabetes. Symptoms of excess thirst and urination with blurry vision, muscle cramps and weight loss are common symptoms of diabetes. See your doctor to get more tests done for a real diagnosis. Usually not going to diagnose diabetes on finger sti. ...Read more

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I had a blood draw Fri and they messed up My sample for Cotinine. I smoked one cig the week before & 3 this sat. How long before I can retest?

I had a blood draw Fri and they messed up My sample for Cotinine. I smoked one cig the week before & 3 this sat. How long before I can retest?

On the safe side...: ...10 days for urine and blood tests. Staying well-hydrated, exercising & avoiding drinking alcohol may decrease detection time. To be really safe, however, take this opportunity to QUIT SMOKING altogether. You've already shown that you can do so for a week, so why not for the rest of your long healthy life???? ...Read more

Blood Draw (Definition)

Needle removal of blood from your arm by a ...Read more