How do you treat a rotting ulcer on your gums?

Systemic treatment of gum ulcers requires boosting one’s immune system, and topical treatment can involve applying iodized glycerin to promote healing of the ulcer.
Ulcers are autoimmune diseases, a manifestation of low immunity. You can increase physical exercise, balanced diet, sleep, in order to adjust their own immunity, can also be prescribed oral or intramuscular transfer factor to improve immunity.
The local pain is aggravated when the ulcer attacks, local iodized glycerin can be used to promote the healing of the ulcer. Dexamethasone acetate patch can also be used to attach to the surface of the ulcer for rapid pain relief.
Ulcers can be treated by improving immunity systemically, and also with topical iodized glycerin to promote healing. Medical attention can be sought from the dentist. Medications should be used under the direction of a physician.