oral herpes; cold sores; HSV-1
Refers to herpes simplex virus type 1 infection around the mouth, commonly called cold sores. Used in both medical and general contexts.
Oral herpes tends to recur when you are tired.
Antiviral drugs are used to treat oral herpes.
Compound of 口唇 (kōshin, 'lips') and ヘルペス (herpesu, from German 'Herpes' or English 'herpes').