Thanks for the query. Thats a very limited description to make any comments. I can suggest you to see a dermatologist for a diagnosis and treatment plan. Delaying may not be a good option unless you know what the diagnosis is. Hope it helps you.
Next Steps
It should heal in a week's time under the treatment of a qualified Dermatologist.
Answered2017-01-13 14:55:34
Let others know if this answer was helpful