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.
Autoimmune Diseases That Cause Blisters. Blisters may develop from diseases that cause your body to attack your own skin (autoimmune diseases), such as: Pemphigus , an uncommon, sometimes fatal disease. Blisters of varying sizes break out on the skin, the lining of the mouth, the vagina or penis, and other mucous membranes. Treatment includes medicine to suppress the immune system and, sometimes, a plasma exchange procedure (plasmapheresis).