[iJohnDoe]

About a half dozen times or more being exposed led to worse and worse reactions. It was awful.

I’ve also never heard from others that your body gets used to it. I’ve always heard it gets worse every time, which was my experience. Obviously anecdata.

[gedy]

Yeah anytime I've gotten poison oak, it spreads and just will not go away without antihistamines - I doubt I could ever grow tolerant to it.