Open Air Allergy Network

St. Louis Family AllergyILIT Provider in St. Louis, MO

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St. Louis Family Allergy, led by allergist and immunologist Dr. Sonia Cajigal, has a second office on Ladue Road in St. Louis. The practice offers Quick-LI, its intralymphatic immunotherapy (ILIT), which its website describes as three visits over about two months, a fast allergy treatment compared with years of regular allergy shots.

About This Practice

St. Louis Family Allergy cares for allergy, asthma and immunology patients in St. Louis, St. Peters and surrounding Missouri communities, according to its website. Its primary office is in St. Peters, and it added this office at 8888 Ladue Road. The website doesn't say which office provides Quick-LI, so ask when you schedule. Quick-LI is the practice's intralymphatic immunotherapy, a procedure it says was named and refined by Dr. Brynn Everist in Kansas City. Small allergen doses go into a lymph node in the pelvic region under ultrasound guidance, in three visits with increasing doses, one a month. Each procedure takes about 5 to 10 minutes, followed by an hour of monitoring. The practice uses Quick-LI for environmental allergies such as dust mites, pets, pollens and molds. It says the treatment isn't for people with active cancer, serious autoimmune disease or a pregnancy, and that relief should come by about four months after the first injection. Other services listed include allergy testing, allergy shots, biologic therapy and patch testing. Dr. Sonia Cajigal Allergist and immunologist

Open Air Allergy Network is an independent directory and isn't affiliated with St. Louis Family Allergy. This profile summarizes information the practice publishes on its website, so please confirm details with the practice.

Frequently Asked Questions

Does St. Louis Family Allergy offer ILIT in St. Louis?
The practice offers Quick-LI, its intralymphatic immunotherapy, but its website doesn't say which of its two offices provides it. Ask when you schedule.
How is Quick-LI different from allergy shots?
According to the practice, Quick-LI uses three visits over about two months, with lower doses placed in a lymph node, instead of years of regular allergy shots under the skin.
Who isn't a good fit for Quick-LI?
St. Louis Family Allergy says Quick-LI isn't for people with active cancer, serious autoimmune disease or a pregnancy.
Why are allergies a problem in St. Louis?
St. Louis ranked #63 of the 100 largest U.S. metro areas in the Asthma and Allergy Foundation of America's 2026 Allergy Capitals report, which weighs pollen levels, allergy medicine use and access to allergists. Tree, grass and weed pollen are all among the environmental allergies Quick-LI is used for.
What if my symptoms aren't fully better after Quick-LI?
The practice says up to two additional monthly shots may be given if results aren't optimal, and occasional seasonal boosters may be used.
Where is the St. Louis office?
St. Louis Family Allergy's St. Louis office is at 8888 Ladue Road, Suite 105. Its primary office is in St. Peters.
See general ILIT FAQ on Learn About ILIT ↗ (opens in new tab)

Other Locations

St. Louis Family Allergy — St. Peters, MO · 16 mi

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314-530-6080
stlouisallergyasthma.com
8888 Ladue Road, Suite 105, St. Louis, MO 63124
Tues by appt

Quick-LI: 3 visits over about 2 months, instead of years of allergy shots.

St. Louis Family Allergy | ILIT Provider in St. Louis, MO