HI, thanks for using healthcare magic If you have petroleum or a zinc based cream you can use these as barrier protection on the lesion. This would reduce any irritation that you feel as the urine passes over the area. The zinc based creams can be found in many baby diaper barrier creams. If neither of these an option at this time of the day then you can try using a gauze or clean tissue over the area to reduce contact during urination. Oral anti inflammatory pain killers such as ibuprofen, naproxen, cataflam can be used to help relieve the pain. I hope this helps