does anyone know how to treat hogweed burns ????

Answer 1

Depending on how severe it is, you should consult a physician. It can leave permanent scarring.

You should wash it (before blisters break out) and keep it from being exposed to sunlight for up to 2 weeks.

Cold compresses are recommended.

Here's a site that talks about it, somewhat. Mostly the 2nd half of page 1, continued on page 3.