5 doctors weighed in:

I scratched my that now have canker sore. What do I do?

5 doctors weighed in
4 doctors agree

In brief: Canker sore

Canker sores (aphthous ulcers) will heal on their own in 5-7 days.
In the meantime, stay away from anything that may irritate it, such as acidic foods. If it a problem at meals, apply Orabase ointment (over the counter from your pharmacy) on the ulcer before meals.

In brief: Canker sore

Canker sores (aphthous ulcers) will heal on their own in 5-7 days.
In the meantime, stay away from anything that may irritate it, such as acidic foods. If it a problem at meals, apply Orabase ointment (over the counter from your pharmacy) on the ulcer before meals.
Dr. Daniel Rubenstein
Dr. Daniel Rubenstein
Thank
Read more answers from doctors