This burning is due to irritation of the skin
You can use a combination of Antihistamine and pain killers to treat your symptoms
The combination include:
1. Histamine such as Tab. Cetrizine
10 mg twice daily by the name of Rigix for 05 days
2. An anti inflammatory agaents such as Tab. Ibuprofen
400 mg thrice daily for 03 days.
You should visit your plastic surgeon for possibility of the graft if needed.
There is nothing to worry about you will be fine with that medicine.
I hope I am successful in solving your query If you have further you can ask me
Take care and good rest
Dr. Azhar Sattar