Thank you for your query at AskTheDoctor.com
I understand your concern.
Although I did not get the image, it does sound like an allergic reaction since its spreading, could also be an eczema..
You can try to resend the picture in the follow up.. To spread the rash from spreading further, please take Tab. Claritin once daily at bed time.. Further management can be decided based on the picture..
Feel free to discuss further.
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