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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Large Bump On Inside Of Wrist, Painful, Bruised, Swollen. No Bite Marks. What Could Be This?

Hi! I woke up this morning and I have a large bump on the inside of my wrist. It's hard and painful and it's bruised blue and red around the bump. No bite marks though. It's a bit swollen too, the wrist I mean. I don't know what could've caused this. I didn't run into anything, it wasn't there last night and it doesn't look like a bug bite.
Fri, 21 Jun 2013
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Dermatologist 's  Response
Hi
Welcome to Healthcare Magic Forum

Looks like you have developed a lesion of Vector dermatitis, also known as Paederus dermatitis.

Paederus dermatitis is a peculiar, irritant contact dermatitis characterized by a sudden onset of red lesions on exposed areas of the body.
The disease is provoked by an insect belonging to the genus Paederus.

You need to apply an antibiotic/steroid combination cream over the lesion twice a day.

Take oral antihistamine once a day to decrease the swelling

Do not use any moisturizer till the time the lesion heals

Hope it helps
Wishing you speedy recovery
Dr Geetika Paul
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Large Bump On Inside Of Wrist, Painful, Bruised, Swollen. No Bite Marks. What Could Be This?

Hi Welcome to Healthcare Magic Forum Looks like you have developed a lesion of Vector dermatitis, also known as Paederus dermatitis. Paederus dermatitis is a peculiar, irritant contact dermatitis characterized by a sudden onset of red lesions on exposed areas of the body. The disease is provoked by an insect belonging to the genus Paederus. You need to apply an antibiotic/steroid combination cream over the lesion twice a day. Take oral antihistamine once a day to decrease the swelling Do not use any moisturizer till the time the lesion heals Hope it helps Wishing you speedy recovery Dr Geetika Paul