Happened to me recently. I held off J/O for a while, applied some handy, triple anti-biotic ointment once or twice after initial bruising. it healed with some mild scabbing, which I used coca butter on. The scab turned into darker/discolored skin then eventually disappeared. Resumed J/O as usual, all is well thus far. Healing time can be different case to case, mine was about under two weeks start to finish.
If things persist or return occasionally without incident definitely call your doctor or go to a local clinic.
Good Luck and Peace.