Toothpaste allergy is not a common clinical condition, and if such a condition occurs, the most important treatment option is to replace the toothpaste with one that does not cause allergies. It is also important to note that if a toothpaste allergy is truly detected, it needs to be actively treated symptomatically. If the allergy is less severe, it can be countered by taking anti-allergy medication. If the allergy is really very serious, some of them can be life-threatening. It is recommended to go to a regular hospital for treatment, as the allergy itself can have acute attacks and also delayed attacks, which need to be carefully identified in the hospital. If it is determined that the allergy is to toothpaste, it is best to take the allergic toothpaste to a large professional hospital for allergen screening so as to avoid future exposure to that type of allergen.