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Can you please attach a picture for review?
For how long you have this rash?
Do you have fever?
Is it itchy or painful?
Thanks for the details
This seems like a flare up of your eczema or dermatitis
You should take an anti-histamine like Cetirizine and apply 1% Hydrocortisone with Vaseline over it
If it does not get better in next few days then you will require oral steroids
Please do let me know if you have any other question
I think you need it now as it will help
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