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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Red Itchy Bump On The Leg With Pulsing Sensation After An Insect Bite?

Hello dr. I live in northern michigan and I was bitten by some type of insect on my leg. Its itchy swollen and looks like a "flat hard bump" about the size of a dime. its sore to the touch and its pulsating. what type of insect could this be from and why is it pulsating?
Tue, 14 Apr 2015
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General & Family Physician,  's  Response
HI
whatever insect it had been, it looks like its bite has caused a local infection. Its one of the signs of local infection and swelling that pulsating feeling. The inflamation is caused by the chemical substance that the insect has injected in your skin by bitting. I recommend you to take orally antibiotics like Augmentin 625mg twice daily and a topcial cream like diphenhydramine or promethazine for the edema. If not improvement contact your dermatologist or infectionist.
All the best for you!
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What Causes Red Itchy Bump On The Leg With Pulsing Sensation After An Insect Bite?

HI whatever insect it had been, it looks like its bite has caused a local infection. Its one of the signs of local infection and swelling that pulsating feeling. The inflamation is caused by the chemical substance that the insect has injected in your skin by bitting. I recommend you to take orally antibiotics like Augmentin 625mg twice daily and a topcial cream like diphenhydramine or promethazine for the edema. If not improvement contact your dermatologist or infectionist. All the best for you!