Our Approach

The Immunology Clinic at The Children’s Hospital of San Antonio specializes in the diagnosis and treatment of patients with primary immunodeficiency and rare immunological disorders. 

Our Services

We offer consultative, diagnostic, and therapeutic services for patients with primary immunodeficiency including and rare immunological disorders:

  • In-house skin testing for various allergens
  • Allergy testing and desensitization
  • Oral challenge to foods in clinic
  • Full pulmonary function testing
  • Fractional Exhaled Nitric Oxide (FENO) testing
  • Exercise and methacholine challenge testing
  • In-house spirometry testing
  • Asthma challenge test
  • Advanced asthma treatment including Xolair administration
  • Our physician is designated by the Texas Department of State Health Services as Newborn SCID (severe combined immunodeficiency disease) Screening Pediatric Immunology Consultant and can rapidly evaluate patients identified with abnormal screening test results.
  • We offer advanced diagnostic evaluation to patients with a suspected PI (primary immunodeficiency), a group of disorders arising from defects in the immune system carried by the genes and characterized by infections that can be recurring, persistent, debilitating and chronic.
  • We aim to provide targeted therapies and improve disease outcomes.  

Our Location

Allergy, Asthma and Immunology Clinic
at The Children's Hospital of San Antonio

333 North Santa Rosa Street
7th floor of The Children's Hospital of San Antonio
San Antonio, TX 78207

PH: 210-704-2187

Request An Appointment

If This Is a Medical Emergency, Please Dial 911

NOTE: A representative from CHRISTUS Health will contact you between 8:30 am and 5:00 pm CDT to help you schedule an appointment.

Additional Services

  • Classes for Parents
  • Food Allergy Clinic

Our Team

Araceli Elizalde, MD

Pediatric Allergy, Asthma and Immunology

Assistant Professor of Pediatrics, Baylor College of Medicine