轻微情况可以咨询药师买外用用品；面积大、疼痛明显、起泡严重或在特殊部位，要及时去医院。
For mild cases, you can consult a pharmacist to buy topical products; if the area is large, pain is obvious, blistering is severe, or it is in a sensitive area, you should go to the hospital promptly.
For mild cases, you can consult a pharmacist to buy topical products; if the area is large, pain is obvious, blistering is severe, or it is in a sensitive area, you should go to the hospital promptly.