The effects of this plant (Rhododendron hybridum) are much the same as those of yew (see Yew Poisoning), save that attempts at vomition are a prominent symptom, and slight colicky pains are also evinced by striking at the belly with the hind-limbs.

Treatment is more likely to be attended with success here than is the case in yew poisoning, since the action of rhododendron is more irritant than narcotic, the pain being more under control by opium and alkaline carbonates, while an aperient of linseed-oil may be employed to clear out the bowels and expel the offending matter.