Not a problem I have, but I hope this helps:
Somewhere on this forum back in around 2009 there is a thread about
PG that used to be almost the only mention of it online that was picked up by search engines, it was how many doctors found out about
it. (Nice to see things have changed. There's a lot more information on the go about
That thread had some very good information about
wound care and how to avoid pain, but unfortunately I haven't been able to find it. If you have time, and are motivated enough...good luck !