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.
Chickenpox and Shingles Blisters. Chickenpox and shingles are both skin conditions caused by the varicella-zoster virus. Chickenpox, a common childhood disease, causes the formation of hundreds of liquid-filled blisters. These extremely itchy blisters generally turn cloudy within two days, after which they pop open and turn crusty.