A 17-year-old male asked:
son killed an unidentified bug on his arm. today it's red, golf ball sized bite that itches and is "uncomfortable". concerned or no?
1 doctor answer
Dr. Deborah Ungerleider answered
35 years experience Pediatrics
Local reaction: This sounds like a local reaction to whatever type of insect this was. It could be a mosquito, fly, spider, or other type. If it's itchy, that is usually the sign of a reaction as opposed to an infection, especially if it occurred within a day. You could try giving him oral Benadryl (diphenhydramine) and if it doesn't improve or if the redness is worsening or he develops a fever, he should be seen by his doctor.
Answered on Aug 2, 2014
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