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Dr. Andrew Rynne

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Exp 50 years

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What Causes A Bruise At The Site Of Needle Prick?

Hi Doctor, Couple of days back, i have given blood test for medical exam. After blood sample are taken, i felt little pain and after that I had little reddish around the needle place. I had taken ice pack that night and next day the Red rash spread around the area and later next day , it turned dark Purple color. it is normal sometimes, why because , this never happened to me.
posted on Sun, 28 Sep 2014
Twitter Mon, 1 Dec 2014 Answered on
Twitter Mon, 1 Dec 2014 Last reviewed on
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Dermatologist,  's  Response
Hi

Development of redness at the prick site could either be suggestive of a bruise due to bleeding at the site or it could be due to allergy to the cleaning agent used before taking the blood sample .
A bruise usually tends to settle in a week.
You may notice color changes as it heals .
An allergic reaction could present with red itchy lesions .
In either case ,do not apply any other cream or oil over the affected area.
See a nearby doctor is it tends to persist .

Dr Geetika Paul
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What Causes A Bruise At The Site Of Needle Prick?

Hi Development of redness at the prick site could either be suggestive of a bruise due to bleeding at the site or it could be due to allergy to the cleaning agent used before taking the blood sample . A bruise usually tends to settle in a week. You may notice color changes as it heals . An allergic reaction could present with red itchy lesions . In either case ,do not apply any other cream or oil over the affected area. See a nearby doctor is it tends to persist . Dr Geetika Paul