Posted 8/3/2018 12:54 AM (GMT 0)
Hmmm. Insufficient rinsing when you showered... Something spilled on your pee pad -- maybe soap or toothpaste... or ...
I can't imagine what it is...
... OK, maybe I could imagine ...
... but I'd really rather not...
... so I'll just use big words to tell you back exactly what you told us...
So, you experienced a brief session of contact dermatitis following exposure to an unknown substance. Cleaning the area to remove the irritant appears to led to cessation of the symptoms. Hopefully, the trend towards recovery will continue.