How did a lot of vesicles grow on the mouth to return a responsibility

A lot of small blisters on the mouth are considered to be caused by stomatitis. The cause of stomatitis is related to factors such as improper tooth position, lack of nutrition, Candida albicans infection, etc.; there may also be fungal infection, viral infection, etc. It is recommended to go to the hospital for further examination. If it is caused by viral infection, antiviral drugs can be used.