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Greetings,Thank you for your question. I am Dr. Su S. and I will try my best to help you.I am sorry for his symptoms.
Is he 11 years old?
How is the area? Is it red, swollen?
Hello again,I found that you are offline.You can give benadryl orally.If there is no skin soreness, mild steroid cream like hydrocortisone can be applied.If the symptoms continue, take him to doctor for evaluation and prescription medicine.I hope this information will be helpful.If you have any query, please feel free to ask.If you are happy with my answer please click on the Excellent/Good rating. Wish his healthy life.Regards.