可能是因为倒刺引起的皮肤感染

1）首先需要用抗生素软膏治疗，这个在普通的美国药店就可以买到，不需要处方。https://www.amazon.com/Triple-Antibiotic-Ointment-Compare-Neosporin/dp/B01IUBR2BU/ref=sr_1_5?dchild=1&keywords=antibacterial+ointment&qid=1611500366&sr=8-5

2）控制住炎症后用Cuticle Oil 进行保养 （https://www.amazon.com/Bee-Organic-Cuticle-redness-quickly/dp/B007BV13ES/ref=sr_1_21?crid=1BA5HUK70X5I4&dchild=1&keywords=hangnail+treatment&qid=1611499815&sprefix=hangnail%2Caps%2C160&sr=8-21）