Below are the main rubriks (i.e strongest indications or symptoms) of Arsenicum Album in traditional homeopathic usage, not approved by the FDA.
Itching, burning, swellings; oedema; eruption, papular, Dry, rough, scaly; worse cold and scratching
Ulcers with offensive discharge
Urticaria, with burning and restlessness
Icy coldness of body
Epithelioma of the skin
Gangrenous inflammations.≡ more ...