It can be cured
The recent change in your food/ work pattern are the cause. Identify those and correct those changes... so that problem should not grow further..
Next Steps
Above details are insufficient to diagnose properly....
still can say it will be helped by application of unsalted butter to the area to keep moist always... which reduces inflammatory changes... 3 days are enough to heal ....
Health Tips
If not corrected meet a available Doctor to find out