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.
Chronic bullous dermatosis: This medical condition results in development of blisters on the mouth, face and/ or the genitals. Cutaneous radiation syndrome (CRS): A condition caused by skins exposure to radiation, which enters deep into the tissues and causes blisters on the affected skin area.