No: It only decrease pain like ambrose for teething.
Answered 7/20/2012
5.8k views
No, just pain relief: Topical Lidocaine will only relieve tenderness of a sore. However, a chancre is from syphilis and is usually not painful. Do you mean canker sore in the mouth? Those are painful and Lidocaine would help with pain but not heal.
Answered 9/28/2016
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