RE: The stand "itch"
Poison Ivy SUCKS! I just got over a nasty case on my legs from playing golf (couldn't hit the fairway!) Whatever clothes you had on at the time throw them away. The oil can re-infect you for up to a year later, even after washing the clothes. If you plan on hunting that spot I'd wear knee high rubber boots with my pants tucked in and DO NOT let the boots touch your skin or anything that may later contact your skin.
As far as remedies, the only thing that felt good was soaking it in an ice cold bath tub. Fill it with ice cubes and cold water.