Problem description: There is a bag in the armpit, the size of a fingernail, with pus inside, it feels a little painful
Date of the problem:2020-10-09
Patient information: Age: 20 years old, Gender: Male
Problem analysis: In this case, first consider that the patient may have local inflammation.
Guide suggestion: I suggest you post a picture and I will look at it, mainly to see if it is subcutaneous or epidermal.
Recommendations are for reference only. If the problem is serious, please go to the hospital for detailed inspection