Sublingual immunotherapy is the application of small amounts of the allergen causing allergic issues in your pet under their tongues. (farmingtonveterinaryclinic.com)
In hyposensitization the patient is injected with small amounts of allergens on a regular basis. (vin.com)
Ingesting small amounts of allergens is certain to increase the mast cell count in the gut, and the result could be mast cell issues in years to come. (home.allergicchild.com)