Sublingual Immunotherapy (SLIT) has emerged as a revolutionary approach in the field of allergy and immunology, offering new needle-free possibilities for managing allergic diseases and proving to be more effective than the traditionally known subcutaneous Immunotherapy (SCIT), or allergy shots. However, off-label allergy drops are not typically covered in most fellowship training programs.This will be a 2-part series on consecutive Fridays, lasting 2 hours each.