Treating the trigger: assessing the evidence for sublingual immunotherapy for asthma

1. What is sublingual immunotherapy and how might it help people with asthma? For about half of the 300 million people worldwide with asthma, allergies may be an important trigger for their symptoms and asthma attacks. People can be allergic to many different things, but common triggers are house dust mite, pollen, and animals. Allergies are ...