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.
If your diet has insufficient vitamins, you may get blood blisters on your gums, tongue, inner lips or inner cheeks. Particularly, deficiency in vitamin C and B12 is a common cause of blood blisters in mouth, especially if they keep coming back. According to Mayo Clinic, âVitamin C deficiency can lead to scurvy.