Arsenicum Ars
Dry gangrene in old people, soreness and burning relieved by warmth, restlessness. It is often indicated in gangrene of the lungs.
Secale is aggravated by warmth, thus differing from Arsenicum.
Arsenicum has a foetid diarrhoea, great weakness, emaciation, and coldness and heat alternately.
Lachesis. Traumatic gangrene. Franklin recommends this remedy highly in gangrene following wounds, saying that it is eminently curative of gangrenous affections.
Crotalus has hot, bluish, moist gangrene, the limb being covered with black blisters and much swollen, emitting a foul odor.
Secale Sec
Corresponds to senile gangrene with tingling and formication. Dry gangrene of toes; a number of cases of cure of this condition by Secale are on record. The skin in wrinkled and dry, shrivelled and cold, no sensibility, black and free from foetor. Large ecchymoses and blood blisters, which become gangrenous, will indicate the remedy.
Carbo vegetabilis Carb-v
Carbuncles and boils, becoming gangrenous. There is no restlessness, as in Arsenicum, but the parts have a livid purple look, and they are icy cold. It also suits moist gangrenous in cachectic persons whose vitality is weak. The secretions are foul and there is great prostration.
Arnica may be useful in gangrene following contusions.