Ulcers: I would not medicate myself with a Corticosteroid without first knowing for sure what type of ulcer you had. In some cases, you can actually make things worse. Better to see a dentist while on vacation or just wait until you get back home unless it resolves by then. If appropriate, a dentist can give you a script for the proper medication. If It's a canker sore it will be gone in 7-10 days.
Answered 11/27/2017
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