Commute 45 to 59 min. 7.20%. Commute greater than 60 min.
1 Oral Ulcers: Usually, an ulcer is referred to as an open wound which is formed inside the mouth and this occurs due to the invasion of micro organisms. 2  Sometimes, blood blisters are caused due to the skin infections caused as a side effect of medications. 3  Ulcers are of two types they are: Canker sores and Cold sores.
herpes labialis. blister-like sores on the lips and adjacent facial tissue that are caused by the oral herpes simplex virus type 1 (HSV-1); also known as cold sores or fever blisters.erpes labialis. blister-like sores on the lips and adjacent facial tissue that are caused by the oral herpes simplex virus type 1 (HSV-1); also known as cold sores or fever blisters.