Skip to main content
Back to all FAQs
Frequently Asked Question

How long does allergen immunotherapy take?

Answer verified by LinQMD Care Team Last updated 22 Sep 2026
Share this answer

A full course is typically three to five years. Improvements build gradually over the first year, with meaningful symptom reduction, lower medication need, and better daily quality of life expected on completing the course. The benefit continues after treatment is stopped.


Related reading: 

Allergen Immunotherapy for Children: What It Is, How It Works, and Who Should Consider It
Why Does My Child Keep Sneezing? A Parent's Guide to Identifying Allergic Rhinitis Triggers
Childhood Asthma and Allergic Rhinitis: A Complete Guide for Parents in Hassan
Complete Guide to Newborn Care: Expert Advice by Dr. H K Kiran Kumar

Written by Dr. H K Kiran Kumar, MBBS, DCH (JSS Medical College, Mysore), Allergy Asthma Specialist Course (MedTrain), Senior Paediatrician and Allergy Asthma Specialist, Kiran Speciality Hospital, Hosaline Road, Hassan 573201, Karnataka. Phone: +91 81722 96348.

Dr. H K Kiran Kumar

About the Author

Dr. H K Kiran Kumar

Senior Pediatrician, Allergy Asthma Specialist

22+ Years of Experience 12000+ Happy Children 4.8 ★