Below are the main rubriks (i.e strongest indications or symptoms) of Arsenicum Album in traditional homeopathic usage, not approved by the FDA.
Epithelioma of lips
Gums and teeth
Unhealthy easily-bleeding gums
Neuralgia of teeth; feel long and very sore; worse after midnight; better warmth
Ulceration of mouth with dryness and burning heat
Gulping up burning water.
Tongue dry, clean, and red; stitching and burning pain in tongue, ulcerated with blue color
Metallic taste≡ more ...