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.
No one knows what causes these small, painful blisters inside your mouth. Triggers include hypersensitivity, infection, hormones, stress, and not getting enough of some vitamins. Also called aphthous ulcers, canker sores can show up on the tongue, cheek, even your gums.They usually last a week or two. mouth sore that doesn't go away. Unexplained numbness in the face, mouth, or neck. Problems chewing, speaking or swallowing. These are a few symptoms of oral cancer. Causes can include smoking cigarettes and using smokeless tobacco, drinking heavily, overexposure to the sun, and a family history of cancer.