Abstract
Allergen specific immunotherapy (SIT) alleviates symptoms, improves health-related quality of life and alters the natural course of the disease in patients suffering from allergic rhinitis. It is currently delivered in the UK National Health Service (NHS) via 2 modalities namely subcutaneous injection immunotherapy (SCIT) and sublingual immunotherapy (SLIT). The latter has a superior safety profile – anaphylaxis is a rare occurrence. Most vaccines currently employed for SIT in the UK NHS are unlicensed and available on a named-patient basis and prescribed in secondary care by a specialist.
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