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Signs and Symptoms

Learn more about the signs and symptoms of allergies

General Allergies

Allergy symptoms occur when your immune system overreacts to an allergen—something that usually is harmless, such as plant pollen, dust mites, molds, insect stings or food. If you have an allergy, your immune system acts as if the allergen were dangerous, releasing chemical mediators that cause allergy symptoms.

If the allergen is something in the air, your reaction will most likely affect your eyes, nose, lungs and skin. If it’s something you eat, it may affect your mouth, stomach and intestines. Food allergies also can cause skin rashes or even asthma symptoms.

Allergy symptoms will vary depending on the type of allergen.

Most Common Symptoms:

  • Headaches
  • Sinus Pressure
  • Hives, rashes
  • Itching
  • Swelling
  • Angioedema
  • Chest tightness
  • Post nasal drip
  • Itchy/watery eyes
  • Shortness of breath
  • Wheezing
  • Sore Throat
  • Difficulty Swallowing
  • Nasal Polyps
  • Fatigue
  • Decreased sense of smell
  • Sneezing
  • Nauseousness
  • Rhinitis
  • Sinusitis
  • Cough
  • Sinus pain
  • Snoring
  • Bronchitis
  • Hoarseness
  • Abdominal/pain/craming
  • Vomiting
  • Diarrhea

Symptoms by Condition

Anaphylaxis

Anaphylaxis is a life-threatening allergic reaction that can be caused by exposure to certain allergens.

  • Abdominal pain or cramping
  • Abnormal (high-pitched) breathing sounds

 

  • Anxiety (impending sense of doom)
  • Chest pain/tightness

Learn More

Children’s Allergies

There are steps to potentially prevent allergies from developing in children.

  • Coughing
  • Itchiness
  • Sneezing
  • Fever
  • Nasal congestion
  • Runny nose

Learn More

Drug Allergies

Adverse reactions to drugs are common. Almost any drug can cause an adverse reaction.

  • Headache
  • Hives, itchiness
  • Hoarse voice
  • Itchy mouth/throat

Learn More

Eye Allergies

Allergies of the eye are on the rise. This causes itchiness, tearing, and more.

  • Excess tearing
  • Light sensitivity
  • Redness
  • Eyelid swelling and itchiness

Learn More

Food Allergies

A food allergy develops when the immune system attacks a normally harmless substance and creates antibodies.

  • Tingling mouth
  • Fatigue
  • Nausea
  • Vomiting
  • Diarrhea
  • Anxiety

Learn More

Indoor Allergies

There are many types of allergens that can affect us when we are indoors.

  • Wheezing
  • Sneezing
  • Coughing
  • Hives/itchiness

Learn More

Allergy Quick Links

Allergy Signs and
Symptoms

What can an
allergist treat?

Testing and
Treatments

Frequently
Asked Questions

“My son has been going to Dr. Mery for over a year.  I always appreciate how attentive the nurses are to him when checking him out before he is released after his shot.  This office is very clean and organized as well.”

Stephanie H.

“My whole family goes to Dr. Mery.  He has been a major factor in our family’s health and well-being.  Dr. Mery is compassionate and understanding.  He is determined to help those who come to see him and truly cares for his patients.”

Susan D.

“Hill Country Allergy has been a very good experience for me these last few weeks. A great team has been providing me with a thorough job of evaluating my allergy needs and implementing a specific plan to reach my specific goal of setting my allergies under control. All staff is efficient, courteous, and very knowledgeable of my specific concerns. I am very pleased with my current service.”

Sandra B.

“The staff at Hill Country Allergy & Asthma is nothing short of amazing. They greet you with a smile and they actually remember my name; you are not just another face. They are patient and take the time to explain things even if you ask them the same questions every other time you are there. The technicians providing the shots are extremely careful and service is usually quick due to the check in system they utilize. They are well organized, with excellent customer service.”

Ditrell B.

“Whenever Julie is the one who gives me my shot, I almost look forward to getting the shot. Her sunny disposition brightens my day. I did say that it almost makes me want to get a shot!”

Bob B.

“I have been very pleased with the great care I have received from Dr. Mery, as well as his entire staff. They are all great!”

Cindy M.

“I look forward to getting my allergy shots every month. The office staff is so friendly and professional. It is a very nice and relaxed atmosphere too.”

Maria B.

“Dr. Mery saved me! I struggled for months with a skin reaction that three other doctors were unable to get under control.  It was clear from the onset that Dr. Mery is truly invested in his patients as he spent so much time with me trying to understand my situation and helped me tremendously with my condition.  Dr. Mery and his staff genuinely care for their patients!”

Krista H.

“My son saw Dr. Mery years ago for his bad allergies.  He was tested, started shots and has been on shots for a couple of years now.  We cannot begin to express our gratitude to HCAA for helping our family.  Our son is completely different kid – he can now play on sports teams and enjoy playing outside with his buddies!  THANK YOU DR. MERY!”

Sandy H.