Thats because data is limited, and the exact cause of canker sores is unknown.
What Causes Canker Sores?
Canker soresalso calledaphthous stomatitisoraphthous ulcersare painful yellow or white sores inside the mouth.
Photo Illustration by Zack Angeline for Verywell Health; Getty Images.
They usually form on the insides of the cheeks, lips, or tongue.
Cankers are common, affecting about 20% of people, especially teenagers and young adults.
Canker sores are not contagious.
I will discuss B12 supplements but ask patients to also discuss this suggestion with their physician.
Role of Vitamin B12
The link between vitamin B12deficiencyand mouth sores is not totally understood.
you’re able to get vitamin B12 from foods as well as from supplements.
Common treatments for a vitamin B12 deficiency are dietary supplements, prescribed injections, or a nasal spray.
Preventing canker sores starts with figuring out whats triggering them.
For treatment, we recommend first changing toothpaste.
SLS has been linked to canker sores, so using an SLS-free toothpaste may help prevent mouth ulcers.
Wells said its also important to be aware ofwhenyoure getting cankers.
2018;23(2):e161-e167.
Green R, Allen LH, Bjrke-Monsen AL, et al.Vitamin B12 deficiency.Nat Rev Dis Primers.
2019;48(5):358-364. doi:10.1111/jop.12845
