Below are the main rubriks (i.e strongest indications or symptoms) of Rhus Tox in traditional homeopathic usage, not approved by the FDA.
Feels as if a board were strapped on the forehead
Brain feels loose and as if struck against skull on walking or rising
Headache in occiput (Rhus Toxicodendron Rad.); painful to touch
Pain in forehead and proceeds thence backward
Scalp sensitive; worse on side lain on
Humid eruptions on scalp; itching greatly.≡ more ...