Thank you for your query.
I understand your concern.
Keep the area clean.The best treatment would be to apply egg white to the local area thrice daily along with bluesunburn gel.
Give her some antiacid medication to bring down her acidity.Give her a probiotic
syrup and some yogurt.
If you have any further queries you are free to consult me.
Hope this answers your query.
Wishing a speedy recovery.
Do not worry we are there to help you out.
Have a nice day.