Yes. Most allergists prefer to start immunotherapy injections around age 5. Often given to younger patients in hopes of preventing development of asthma in these young patients with nasal allergies.
5+ year olds. Five is the youngest recommended age to start immunotherapy in the United States for several reasons, including the difficulties younger children may have in cooperating with the immunotherapy program. Recent studies have suggested immunotherapy may prevent the development of new allergies in children and also may prevent the development of asthma in children who have rhinitis.