Mouth ulcer also called oral ulcer, is the breakage of the mucous layer inside the mouth causes inflammatory and painful lesion.
Reasons for mouth ulcer-Gastrointestinal problem, nutrition deficiency like B12 folic acid and iron. Also the smoking and the alcohol causes the oral ulcer. Sometime the skin comes between the teeth causes the ulcer and hard brush may also cause the ulcer of mouth.
Prevention –Avoid the use of the sodium laureth sulfate (SLS) that is the constituent of the tooth paste, may reduce the ulcer problem. We can use the antibacterial mouth wash once in a day to avoid the bacterial infection of the mouth ulcer.

Treatment-The medication with the B complex, mineral and zinc helps in the treatment of the ulcer to fulfill the nutritional deficiency. Depending upon the symptoms the ulcer may be prescribed as steroids, antibiotic or the antiviral.
Homeopathy treatment-This treatment can be taken without any side effect at the early age of the ulcer. The common medications that may be given in the ulcer are Acid Nit, Apis Mel, Antim Crud, Belladonna Bryonia, Borax and several other medicines.
TESS is also the one of the ulcer fast relieving medicine that helps in the forming the protective layer of the mucous.
Home remedy-Take the crystal sugar with coconut powder and chew it thrice in a day. Every day in the morning drink water in the copper vessel and take the food item rich in B12 like egg, banana, milk and wheat floor.