The Leeds Teaching Hospitals NHS Trust


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Immunotherapy (or desensitisation) is a treatment that builds up tolerance to the allergen that your child is reacting to.

We have offering immunotherapy for children with severe hay fever and house dust mite allergy, when other treatment is not effective in managing their symptoms. Immunotherapy is either sublingual (under the tongue) or subcutaneous (injections). Most immunotherapy treatment courses last 3 years. 

The goal of immunotherapy is to 'train' the immune system to tolerate the allergen, so it no longer reacts to it. The first dose of sublingual immunotherapy is  given in hospital, in case of an allergic reaction. If this is tolerated, all other doses are usually taken at home. All doses off subcutaneous immunotherapy are given in the hospital.