When should I see an allergist in San Antonio?

If allergy symptoms last more than a few weeks, keep coming back seasonally, disrupt sleep or daily life, or aren't controlled by over-the-counter medicine, it's time to see a board-certified allergist. We also treat asthma, recurring sinus infections, hives, eczema, and food or medication reactions.

What allergies are most common in San Antonio?

South Texas sees heavy Mountain Cedar (winter), oak (spring), and ragweed (fall) pollen, plus year-round mold, dust mite, pet dander, and cockroach allergies. Our providers tailor testing and treatment to local triggers.

Do you offer walk-in allergy care?

Yes. Our Medical Center location has a walk-in clinic for allergy, asthma, and sinus concerns, no appointment needed. Please arrive at least 30 minutes before closing.

What happens at a first allergy appointment?

Your allergy expert will review your symptoms and history, may perform skin or blood testing, and build a personalized plan.

Do you treat children?

Yes, our board-certified allergist experts care for both pediatric and adult patients, including children who may outgrow certain food allergies over time.

Allergies: Symptoms, Testing & Treatment in San Antonio

Types of Allergies We Treat

Allergic Rhinitis (Hay Fever)

Hay fever is an immune reaction to airborne allergens and one of the most common reasons patients seek allergy care in San Antonio. Symptoms include sneezing, congestion, and itchy, watery eyes.

Pollen Allergies: Mountain Cedar, Oak & Ragweed

Tree, grass, and weed pollens cause seasonal symptoms across South Texas. Locally, Mountain Cedar, Oak, and Ragweed are among the most common triggers, and San Antonio is regularly ranked one of the toughest U.S. cities for pollen allergies. For grass season, see our tips for managing grass allergy.

Mold Allergies

Mold spores can be present year-round in warm, humid South Texas climates and may cause nasal and respiratory symptoms indoors or out.

Pet Dander Allergies

Proteins in the skin flakes, saliva, and urine of cats and dogs can trigger symptoms even in homes without pets, and they're a frequent cause of the ‘cat allergies’ searches we see locally.

Dust Mite Allergies

Dust mites live in bedding, carpets, and upholstered furniture and are a common cause of year-round nasal allergies.

Cockroach Allergies

Cockroach allergens are a significant trigger for nasal allergies and asthma, especially in urban environments.

Food Allergies

Food allergies occur when the immune system reacts to specific foods and can range from mild to life-threatening. Care includes identifying foods to avoid, building an emergency action plan, and carrying epinephrine for accidental exposure with ongoing monitoring, since children may outgrow certain food allergies.

Skin Allergies: Eczema, Hives & Contact Dermatitis

Eczema and hives are two of the most common allergy-related skin conditions. Contact dermatitis appears when skin touches an irritant or allergen. An allergy specialist can diagnose and treat skin conditions when they stem from an allergy.

Medication Allergies

Reactions to antibiotics such as penicillin, or other drugs, may require allergy testing or supervised medication challenges to confirm or rule out a true allergy.

Insect Venom Allergies

Reactions to bee, wasp, hornet, or fire ant stings can be severe. Allergists evaluate venom allergies and may recommend venom immunotherapy, a highly effective treatment to prevent future reactions.

Latex Allergy

Latex allergy can cause skin reactions, respiratory symptoms, or severe allergic responses. Allergists confirm the diagnosis and guide safe avoidance strategies.

Common Allergy Symptoms

Allergy symptoms vary depending on the trigger and the part of the body affected. Common symptoms include:

Sneezing and nasal congestion
Runny or itchy nose
Itchy, watery, or red eyes
Cough or throat irritation
Wheezing or shortness of breath
Skin rashes or hives

When left untreated, allergies can lead to chornic sinus infections, sleep disturbances, worsening asthma symptoms, and other complications. Early evaluation and treatment by an allergy and asthma specialist can help prevent these issues and keep symptoms under control.

Allergy Testing & Diagnosis in San Antonio

Your allergist will build an individualized plan that may combine symptom-relieving medications, environmental avoidance strategies, and for lasting results, testing-guided immunotherapy or advanced biologics.

Explore the options:

Allergy Testing & Diagnosis

Skin prick, blood, and food-challenge testing to pinpoint your triggers and guide treatment.

Explore Allergy Testing

Allergy Immunotherapy (Shots & Drops)

Long-term relief that reduces your sensitivity to allergens over time — not just symptom control.

Explore Allergy Immunotherapy

Biologic Therapies

Advanced treatment for severe asthma and hard-to-control allergic disease.

Explore Biologic Therapies

Not sure where to start? We’ll guide you.

Schedule an appointment

Two Convenient San Antonio Allergy Clinics

Location	Address & Phone	Details
Medical Center & Walk-In Clinic More info →	2424 Babcock Road, Suite 301 San Antonio, TX 78229 (210) 616-0882	Arrive 30 min before close). Saturday hours available.
Southside More info →	7500 Barlite Blvd #106 San Antonio, TX 78224 (210) 616-0882	Convenient care for South San Antonio: allergy testing, asthma treatment, and ongoing care.

See all locations and hours or schedule an appointment.

What Is an Allergy?

An allergy occurs when the immune system overreacts to a substance that is normally harmless, such as pollen, pet dander, food, or medications. These substances, called allergens, trigger inflammation and symptoms that can range from mild to severe.

Allergies often run in families. If one or both parents have allergies, their children are more likely to develop them as well.

Why Choose AllergySA for Allergy Care in San Antonio

Families across San Antonio choose AllergySA for:

Board-certified allergy experts caring for children and adults. Meet our providers.
Same-day appointments (only for established patients - new patients must have an appointment) and walk-in allergy, asthma & sinus care at our Medical Center clinic.
On-site allergy testing, immunotherapy (shots and drops), and biologic therapies.
Bilingual (English & Spanish) staff and acceptance of most major insurance plans.
Two convenient San Antonio locations, plus Saturday hours at Medical Center.

Schedule an appointment today to take control of your allergies and start feeling better.

Allergy Diagnosis & Treatment in San Antonio

Types of Allergies We Diagnose and Treat