Poison-elder – The skin symptoms of this species of Rhus are most severe.
Mind.–Great melancholy; no desire to live, gloomy.
Head.–Heavy, frontal headache; worse, walking or stooping. Eyes nearly closed with great swelling. Vesicular inflammation of ears. Nose red and shiny. Face swollen.
Tongue.–Red at tip. Fissured in middle. Vesicles on under side.
Abdomen.–Profuse, watery, white stools in morning, 4 am, with colicky pains; expelled with force. Pain in hypogastrium before every stool.
Extremities.–Paralytic drawing in right arm, especially wrist, and extending to fingers.
Skin.–Itching; relieved by hot water. Vesicles. Erysipelas; skin dark red. Erythema nodosum, with nightly itching and pains in long bones.
Relationship.–Antidote: Clematis. The California Poison-oak (Rhus diversiloba) is identical with it. It antidotes Radium and follows it well. Compare: Anacard.