aaa: I know that the community is forbidden to consult, but the question of the dentist is what can be done in travel conditions (I am in the train, go for three days) when the flux appears?

At the nearest station, put your head under the wheel.

ccc: this is not a consultation (but it should help) - put your head under the wheel

Do not listen to them, they are incompetent. At the nearest station, put your head under the wheel.