The standardized name of VC effervescent tablets is Vitamin C effervescent tablets, which are effective in relieving mouth ulcers. There are many reasons for the onset of mouth ulcers, if it is caused by the lack of vitamin C, you can take vitamin C effervescent tablets, you can supplement vitamin C, so that the mouth ulcers can slowly heal. But the other triggering elements of the mouth ulcers, such as eating some spicy stimulating food, hard food caused by mouth ulcers, or due to the infection of viruses, germs and other pathogenic bacteria caused by the mouth ulcers, then simply take vitamin C effervescent tablets, is not completely get cured, must be in accordance with the corresponding triggering elements to the treatment of medication, in order to make the mouth ulcers healed. There are many causes of mouth ulcers, patients should go to the hospital in time to check, clear triggering causes, under the guidance of the doctor correct treatment and medication.