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A member asked:
What are possible causes of ulcers and cold sores?
A doctor has provided 1 answer
Virus and Stress: Canker sores (aphthous ulcers) may be caused by a virus that stays inactive in your body until you are stressed or experience illness such as a cold. In addition, it could be caused by a vitamin B12 or vitamin d deficiency. Take a multi-vitamin everyday, spend some time in the sun, and find ways decrease stress. Your dentist or doctor can also prescribe an antiviral.
Answered 1/3/2018
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