Patient Services

St. Louis Allergy and Asthma Clinic

Allergy Help and Asthma Relief from Board-Certified Allergists in St. Louis

At Allergy & Asthma Consultants, we are dedicated to helping you feel your best. Many of our patients first come to our St. Louis allergy clinic after years of putting up with a troublesome condition such as hay fever or avoiding a drug they were once told they were allergic to. Some suffer from chronic sinus problems or untreated asthma. Others come after facing an acute incident, recovering from an anaphylactic response to an insect sting or battling a confounding food allergy. No matter the severity or duration of your problem, our clinic boasts some of the most skilled allergists in St. Louis. Treating asthma, allergies, sinus problems, and immunodeficiencies, our St. Louis asthma doctors take a comprehensive approach to health and wellness.

St. Louis has been identified as the leading city for asthma in the nation. The temperate climate means that molds and pollen have an extended season. Rather than tolerating discomfort, seek allergy help from an expert. Robert Onder, MD, has been successfully treating people with allergies, asthma, and immunodeficiency at his allergy clinic in St. Louis since 1992. In fact, Dr. Onder and Dr. Cajigal are connected with researchers for new asthma and allergy treatment in St. Louis, meaning our clients get first access when new treatments are made available.

Allergic Contact Dermatitis

Allergic contact dermititis is a skin condition that occurs when your skin comes into direct contact to an allergen, resulting in a rash, redness, and itching. Common allergic contact dermatitis triggers include nickel or grass.


Allergy Immunotherapy

Allergy immunotherapy, commonly known as allergy shots, is the only method we currently have for reducing the severity of allergies rather than responding to symptoms. For persons who suffer from chronic allergic diseases, such as sinus problems or hay fever, getting allergy shots can be life-changing.



Asthma is a chronic condition that which causes a tightening of the airways and shortness of breath, which is treated with rescue and preventative treatments. Asthma is very common in St. Louis.


Drug Allergy

A drug reaction occurs when the body overreacts to an otherwise harmless substance,
resulting in swelling, hives, rash, itching, and respiratory problems that can be life threatening.



Eczema, or atopic dermititis, is a common skin condition that results in itchy red and dry skin. Not an allergy itself, eczema occurs commonly in people who suffer from asthma and food allergy.


Food Allergies

Food allergies can cause an immediate and life-threatening result. Common foods that create an allergic response are milk, egg, wheat, soy, fish, shellfish, peanuts, tree nuts and sesame.


Hay Fever

Hay fever, or seasonal allergic rhintis, causes itching, swelling, and irritation of the eyes, throat, and nasal passages causing cough, sore throat, sinus infection, ear infection, and itchy eyes.


Household Allergies: Dust Mites, Pets, Mold

Many people live with household allergies to dust mites, pets, and mold without ever getting treatment to alleviate your symptoms. Once you have been diagnosed, we can help you identify household changes that will improve your symptoms.


Non-Allergic Rhinitis

With symptoms similar to hay fever – itchy eyes, runny nose, sore throat — you may assume you have seasonal allergies that will pass in time. Non-allergic rhinitis it not related to an allergy, but typically is caused by sensitivity to irritants such as fragrances, perfumes, and air fresheners.


Oral Allergy Syndrome

Oral allergy syndrome is a condition that causes swelling, itching and discomfort to the lips, mouth, and face when certain foods are ingested. Groups of foods are linked to common pollen allergies; once diagnosed, the patient can learn to avoid eating the raw form of the particular foods that cause a food allergy reaction.


Primary Immunodeficiency Diseases

Primary immunodeficiency diseases (PI) are a group of more than 250 rare, chronic disorders in which part of the body’s immune system is missing or functions improperly. Careful diagnosis by a specialized allergist in St. Louis is essential to effective treatment.



Sinusitis is characterized by nasal congestion, facial pressure, cough and thick nasal discharge, A one-time sinus infection that does not resolve on its own can be treated easily; chronic sinusitis requires more diagnostic testing to allow an allergist to determine the underlying problem.


Stinging Insect Allergies

Almost everyone experiences some type of reaction to stinging insect bites, but small percentage of people are truly allergic to them. If you are allergic, your body overreacts to insect venom, causing an extreme and possibly life-threatening reaction.


Urticaria and Angioedema

Urticaria and angioedema, more commonly known as hives and swelling, can often be traced to allergens or irritants. Hives and swelling range from a nuisance to a life-threatening condition and should never be ignored.


Vocal Cord Dysfunction

Difficult to diagnose, vocal cord dysfunction is a condition in which a person’s vocal cords do not function properly when they breathe causing shortness of breath and extreme discomfort.

Having treated provided allergy treatment in St. Louis for decades, our allergists have treated the gamut of conditions. Whether you are battling hay fever, trying to get to the bottom of a mysterious reaction, or wondering if allergy shots might help, our St. Louis allergy clinic is the best place for you. Providing St. Louis asthma treatment and allergy help, our clinic accepts most types of health insurance. Contact us to schedule your first appointment with a St. Louis asthma doctor today.

St. Louis Allergy and Asthma Clinic Treats Asthma, Allergies, and Immunodeficiencies

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