Causes: Could be from virus (like herpes), trauma, fungus (like Thrush), trauma, burns, Meds, systemic disease, or a myriad of other causes. See yo ur Dentist
Answered 12/18/2015
1.8k views
Cold sores: due to herpes simplex virus. usually they clear up without treatment within 7 to 14 days.
Answered 12/19/2015
1.8k views
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