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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Rash On Right Rib Cage With A Small Puss Filled Bump?

Hi, my son has a rash on his right rib cage with a small puss filled bump in the middle of it; he has had it for approximately a month. I have tried Benadryl cream and syrup, and also cortisone prescribed by his pediatrian; nothing seems to be helping. His pediatrian said that it must be mulloscum. I am not really sure about it.. please advise.
posted on Fri, 14 Mar 2014
Twitter Fri, 20 Mar 2015 Answered on
Twitter Mon, 23 Mar 2015 Last reviewed on
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Dermatologist,  's  Response
Hello. Thank you for writing to us

I would have liked more information from you regarding any associated symptoms, if any.
It is not usual for a usual pus filled bump to persist for 1 month without any change.
I would definitely consider the possibility suggested by your pediatrician i.e molluscum contagiosum.
Molluscum is a viral infection.
It characterized by pearly white, dome shaped, asymptomatic lesions which can persist for weeks or even months.
The infection is common in children and is acquired from fomites like sharing towels etc.
The cream that you have been using is a topical steroid and would not help in this condition; rather it would encourage the infection and should be stopped.
I suggest that you visit a dermatologist for a confirmatory diagnosis.
Treatment for a molluscum lesion is simple i.e extraction of molluscum body by de-roofing with the help of a needle.

Regards
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What Causes Rash On Right Rib Cage With A Small Puss Filled Bump?

Hello. Thank you for writing to us I would have liked more information from you regarding any associated symptoms, if any. It is not usual for a usual pus filled bump to persist for 1 month without any change. I would definitely consider the possibility suggested by your pediatrician i.e molluscum contagiosum. Molluscum is a viral infection. It characterized by pearly white, dome shaped, asymptomatic lesions which can persist for weeks or even months. The infection is common in children and is acquired from fomites like sharing towels etc. The cream that you have been using is a topical steroid and would not help in this condition; rather it would encourage the infection and should be stopped. I suggest that you visit a dermatologist for a confirmatory diagnosis. Treatment for a molluscum lesion is simple i.e extraction of molluscum body by de-roofing with the help of a needle. Regards