Allergies affect approximately 50 million Americans each year, making it the 6th most chronic illness in the U.S. The annual cost of allergies to the health care system and business in the U.S. is $18 billion. Symptoms range from making you miserable to putting you at risk for life-threatening reactions (anaphylaxis).

While there are no cures for allergies, they can be managed with prevention and treatment. If you want to seek treatment for a possible allergy, you should see an allergist/immunologist for diagnosis and treatment to help you feel better and live better. Don’t suffer from symptoms needlessly. Get the help you need.

Allergy Overview

What is an Allergy?

An allergy occurs as a result of a hypersensitive immune response to a substance that either enters the body or touches the skin. Normally, your immune system fights germs, but with an allergic reaction, the body makes an antibody called immunoglobulin E (IgE). These antibodies respond to allergens, and the symptoms that result are an allergic reaction that usually triggers symptoms in the nose, lungs, throat, sinuses, ears, lining of the stomach or on the skin. Allergies can also trigger symptoms of asthma.

What are The Most Common Allergens?

The most common allergens that cause a reaction include pollen, dust mites, mold spores, pet dander, food, insect stings, and medicines.

What are Typical Allergy Symptoms?

Allergy symptoms can vary depending on the allergen and can range from mild to severe, but generally, include:

  • A runny nose
  • Sneezing
  • Watery Eyes
  • Itching
  • Rashes or Hives
  • Swelling in Your Mouth or Throat
  • Asthma

What are Symptoms of a Severe Allergic Reaction?

Symptoms of a severe allergic reaction (anaphylaxis) can be life-threatening, requiring immediate emergency care. Call 911 if you or a loved one is experiencing any of the following symptoms:

  • Throat Swelling
  • Shortness of Breath
  • Wheezing
  • Coughing
  • Nausea
  • Vomiting
  • Diarrhea
  • Cramping
  • Low Blood Pressure
  • Fainting
  • Swollen or Itchy Lips or Tongue

Skin manifestations, such as hives, swelling, and flushing are usually in conjunction with the other symptoms listed above.

How are Allergies Diagnosed?

Your doctor will review your personal and medical history to diagnose an allergy. During your consultation, your doctor may also conduct a physical exam, and use skin and blood tests to diagnose allergies.

How Are Allergies Treated?

There are various treatment options available for allergies including medicine, allergy shots, and avoidance of the substance that causes the reaction. Your doctor will recommend which treatment is best for you depending on the type of allergy you have.

Suggested Next Steps

For more information regarding different types of allergies, diagnosis, and treatment options available check out our section on Conditions We Treat.

If you are looking for quick information on the services we provide, check out our section on Allergy Treatments.

Conditions We Treat

Nasal, Sinus and Eye Conditions

There are several different types of allergies that affect nasal and sinus passages, as well as the eyes, including:

  •  Seasonal and Indoor Allergies
  •  Allergic Rhinitis (Hay Fever)
  •  Allergies to Pollen, Pet Dander, Mold, and Dust
  •  Non-Allergic or Vasomotor Rhinitis
  •  Allergic Conjunctivitis (eye allergies)

Allergic rhinitis (or hay fever) refers to inflammation of the nasal passages. Symptoms often include sneezing, itching, congestion (stuffy nose), runny nose, and post-nasal drip. Many seasonal and indoor allergens, such as pollen, pet dander, mold or dust, can cause allergic rhinitis, among other things. Some patients have no identifiable allergies on testing and fall into the category of non-allergic or vasomotor rhinitis, which usually indicates a hyper-responsiveness of the nose due to a nerve imbalance.

Treatments for allergic rhinitis include avoidance techniques, medications, and immunotherapy (allergy shots). Non-allergic rhinitis is treated with avoidance (if possible) and medications.

Allergic conjunctivitis (or eye allergies) often coincides with nasal allergies, but it can also occur on its own. Eye symptoms include itchiness, wateriness or redness. Treatment options include medications, such as eye drops and/or oral antihistamines, and immunotherapy.

Lung Conditions

Lung conditions affect your breathing, and for some people breathing trouble can be a sign that there is a problem with their lungs, keeping them from working as they should. If breathing problems come on suddenly or are severe, call 911.

There are several types of lung problems that can affect your breathing, including asthma, exercise-induced bronchospasms, and chronic cough.

Asthma is a long-term disease that makes your airways swollen, inflamed and narrow, so it is hard to move air in and out of your lungs. Symptoms often include a cough, wheezing, shortness of breath, and chest tightness. Diagnosis is based on history, exam, chest x-ray, and a blood test. Allergen exposure and certain illnesses may cause intermittent symptoms or exercise may induce symptoms (exercise-induced bronchospasms, EIB). Symptoms can also be persistent and require daily medications (e.g., albuterol inhaler) to prevent or control lung inflammation. For children, a chronic cough can be a sign of asthma and is known as “cough variant” asthma. Immunotherapy (allergy shots) can help prevent the progression of allergies to asthma when utilized in children. Asthma-related coughs won’t respond to cough drops, suppressants or antibiotics. You would need asthma medication.

Triggers for allergic asthma may include dust mites, mold, perfume, pet dander, and pollen. Of course, you should stay away from these triggers whenever possible, but if they cannot be avoided, your doctor may prescribe antihistamines, steroid nasal sprays, other nasal sprays or allergy shots. There are also other things you can do in your home to avoid such triggers, such as using special filters in your vacuum cleaner.

Besides being a possible symptom of asthma, chronic cough can also be a sign of rhinitis, allergic or non-allergic. Reflux is another common cause of a chronic cough. Treatment of a chronic cough is based on a diagnosis, which usually requires evaluation and testing.

Other Conditions

There are many other conditions that can cause allergic reactions, including:

  • Anaphylaxis
  • Food Allergies
  • Eosinophilic Esophagitis
  • Latex Allergy
  • Oral Allergy Syndrome or Pollen Food Allergy Syndrome


Anaphylaxis is a severe systemic reaction to a trigger that needs medical treatment right away. The most common causes are allergies to peanuts, insect bites, and seafood. If you have an anaphylaxis reaction to a trigger, you need an epinephrine (adrenaline) shot right away, and someone should call 911. If left untreated, it can be deadly. As a follow-up, doctors will do a thorough history and physical, and testing to determine allergen triggers, so patients can avoid such triggers in the future.

Patients who have confirmed drug and food allergies should wear a medical alert bracelet or pendant or carry a card with information about their allergy. They should also carry at least two doses of epinephrine with them at all times, as once you’ve had an anaphylaxis reaction before you are at a higher risk of having another one.

Allergens. Food Allergies (e.g., peanuts, shellfish, fish, milk, eggs, soy wheat); Drug allergies (e.g., penicillin, aspirin, ibuprofen, Muscle Relaxants, and Other Non-steroidal Anti-inflammatory Drugs, Anti-seizure Medications); Insect Bites and Stings (e.g., bees, wasps, hornets, yellow jackets and fire ants); Latex; Pollen (e.g., tree, grass, ragweed); or a Combination of These Triggers

Symptoms. Throat Swelling, Shortness of Breath, Wheezing, Coughing, Nausea, Vomiting, Diarrhea, Cramping, Low Blood Pressure, Fainting, Swollen or Itchy Lips or Tongue; Skin Manifestations, such as hives, swelling, and flushing are usually in conjunction with the other systems listed above.

Treatment. Avoidance of Triggers, Epinephrine Injections or Emergency Room Care for More Severe Cases

Food Allergies

Food allergies are different than food intolerances. In the case of a food allergy, the immune system triggers an abnormal response to a food. Food intolerance has no immune system response. For example, being allergic to milk is different than not being able to digest it properly due to lactose intolerance.

Allergens. Eggs, Casein, Fish, Milk, Nuts, Shellfish, Soy, Sulfites, Wheat, and Nuts

Symptoms. Abdominal Pain, Diarrhea, Digestive Problems, Hives, Itching in the Mouth, Swallowing, Swollen Airway, Swollen Lips, Trouble Breathing, and Vomiting

Treatments. Antihistamine Drugs and Bronchodilators for Minor Cases; Epinephrine Injections or Emergency Room Care for More Severe Cases

Eosinophilic Esophagitis

Eosinophilic esophagitis is a chronic immune system disease affecting the digestive system. Patients with this disease have a white blood cell that builds up in the lining of the tube that connects your mouth to your stomach (esophagus). This build-up, which is a reaction to foods, allergens or acid reflux, can inflame or injure the esophageal tissue, which can lead to difficulty swallowing (dysphagia) or cause food to get stuck when you swallow. Other symptoms include chest pain that is often centrally located and does not respond to antacids, persistent heartburn, upper abdominal pain, no response to gastroesophageal reflux disease medication, and backflow of undigested food (regurgitation).

Your doctor may order a blood test to confirm the diagnosis and to begin to look for the sources of your allergic reaction (allergens). If you have a higher than normal eosinophil count or total immunoglobulin E levels, this would suggest an allergy.

Latex Allergy

Some people are allergic to latex, which is found in rubber gloves and other products, such as balloons, condoms, elastic bandages, envelope adhesive, rubber bands, and anesthesia face masks. Symptoms from latex exposure can vary from a contact rash to a full-body systemic reaction or anaphylaxis. If you have a severe reaction, call 911. Avoidance is key, even in those with just a rash as progression to anaphylaxis is unpredictable. Patients who have a confirmed latex allergy should wear a medical alert bracelet or pendant or carry a card with information about their allergy.

Allergen. Latex Products in Community and Hospital Settings

Symptoms. Red, Itchy Rash Where Your Skin Touched Latex; Swelling Around the Skin Where it Touched You; Sneezing, Runny Nose, or Teary Eyes

Symptoms for Severe Reactions. Trouble Breathing or Swallowing, Chest Pain, Drop in Blood Pressure, Wheezing, Tightness in Chest

Treatments. Avoidance; Oral Antihistamine (avoid antihistamine creams or gels, as they make your skin feel worse); Calamine Lotion or 1% Hydrocortisone Cream; Emergency Care for Severe Reactions

Oral Allergy Syndrome or Pollen Food Allergy Syndrome

People who have these allergies usually have symptoms right after they eat or within an hour after eating. They take a bite of an apple or a banana, and they immediately experience itching, tingling and swelling to the mouth, lips, and throat. This happens because their immune systems cannot tell the difference between proteins in these foods and pollen due to cross-reactivity of pollen with certain raw fruits and vegetables. Many people don’t even know they have these allergies. They usually find out when their allergy testing is negative for foods, but positive for pollen (e.g., birch, grass or ragweed). In most cases, symptoms don’t last long. It is also rare to have a severe or life-threatening reaction (anaphylaxis), but it can happen. Fortunately, some patients have found that if they heat the raw fruit or vegetable, denaturing the cross-reactive protein, it allows them to eat the food without incident.

Allergen. Allergic Antibody (IgE) to a Specific Food

Symptoms. Itching, Tingling, and Swelling to the Mouth, Lips, and Throat; Hives, Respiratory Distress, Cramping, Nausea, Vomiting, Diarrhea, Lightheadedness, Dizziness, Fainting

Treatments. Oral Antihistamines; Immunotherapy (e.g., allergy shots); Epinephrine and Emergency Care for Severe Reactions; Avoidance of Triggers; Heating the Fruit or Vegetable

How Can North Dallas ENT Help?

In North Texas, seasonal allergies are a reality for many of us. Sneezing, itchy, watery eyes, runny nose, and postnasal drip are all characteristic of allergic rhinitis (hay fever). At North Dallas ENT, we offer a complete array of allergy testing and treatment for seasonal allergies and food allergies.

For minor cases, we can treat your symptoms with medications and avoidance. For more severe cases, we are able to identify the specific allergens causing your symptoms and treat those allergens with immunotherapy targeting these offending particles (pollen, grasses, etc.) with weekly allergy shots or sublingual (beneath your tongue) drops you use at home.

Additionally, treatment of your ENT allergies will often improve or eliminate your associated asthma, sinus and gastrointestinal symptoms.

Please contact North Dallas ENT at (214) 382-5100 for a full allergy workup.

We treat adults as well as children, 6 years and older. Note that children often present symptoms differently than adults. Their symptoms may include, ear infections, snoring, hives, swollen airways, irritability, and dietary problems. Please contact us to see how we may help you or your loved one.


11970 N. Central Expressway
Suite 400
Dallas, TX 75243
(214) 382-5100
Legacy Medical Village
5425 W. Spring Creek Parkway
Suite 170
Plano, TX 75024
(214) 382-5100

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