Hello, my son would trigger canker sores often what disease

Hello, my son would trigger canker sores often what disease

Question:

Gender: male
Age: 4 years old
History is 2-3 years
Description: the son of illness, good oral ulceration often don't have a few days, repeatedly.

Treatment:

This may be trace elements and vitamin deficiency. Suggest you oral glucose stearate, vitamin b and usually must drink more water. Eat more vegetables. Don't eat chicken essence, because this MSG caused by zinc. Because they exclude could lead to increase of zinc exclusion of zinc. Several causes the disease.