• Trusted Allergy Clinic in Corpus Christi, TX

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Allergy Testing & More for Corpus Christi, TX!

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For You

At Corpus Christi Allergy Associates we offer a wide range of services and care to help you better understand and treat your medical needs.


  • Allergy Testing - Environmental, Food, Airborne, and Insect
  • Cough Evaluation 
  • Asthma testing and treatment
  • Spirometry
  • Evaluation of Skin Disorders
  • Immunotherapy
  • Immunological Diagnosis and treatment
  • Ocular Allergies
  • Patch testing

About Us

Dr. Adam Updegraff grew up in northern Michigan and attended Michigan State University for his undergraduate degree. Following graduation he completed a year of volunteer service with the Americorps teaching math and science in an underserved elementary school. Upon completion of this experience, he returned to Michigan State University where he earned his medical degree.

Dr. Updegraff completed residencies in Internal Medicine and Pediatrics at William Beaumont Hospital in metro-Detroit. During his residency, he was honored as senior resident of the year for his dedication to education and patient care. After residency he fled the snowy winters of Michigan for warm, sunny Florida to complete his Allergy and Immunology fellowship at the University of South Florida in Tampa.

He met his wife Abby, an elementary teacher, at a small festival in northern Michigan. Together they have weathered hurricanes, medical school, the birth of two beautiful daughters, and most recently, two cross country moves. Dr. Updegraff and his family are excited to become Texans and join the Corpus Christi community.

Dr. Updegraff is seeing patients at 5402 South Staples Street, Corpus Christi, Texas.

Testing Procedures

Please click here to review the following list of medications which should be avoided 5-7 days prior to skin testing for accurate results!

Your initial visit may require up to 2 hours and will include a complete medical history, a thorough medical exam, possible allergy and/or lung function testing, and a therapy plan.

Scratch Test

For infants and young children is performed on the back. For older children and adults is done on the forearms. First the skin is examined and cleaned with alcohol, and then numbers are written with a pen to identify each allergen (any substance that causes an allergy) that is to be tested. A small and disposable plastic pricking device is used to apply a small drop of each allergen just under the outer layer of the skin, or the epidermis. This is not a shot, and does not cause bleeding. In addition, this procedure is not painful, but has been described as feeling like getting a mosquito bite. The entire test is complete in less than 30 minutes, and you have the results during that visit. Many medicines, especially antihistamines, can block the results from skin testing, and must be stopped for a certain period of time before attempting this test. See our new patient section for a list of these medicines.

Patch Test

Performed by examining and cleaning the skin on the patient's back, and applying patches that contain small amounts of various substances that are known to cause allergic contact dermatitis (a rash or inflammation of the skin caused by contact with various substances). The patches are typically worn for two days, and cannot get wet. After two days the patches are removed and the underlying skin is examined. A follow up skin exam is usually performed two more days after that, and again, the skin cannot get wet until the testing is complete. For convenience we usually apply the patches on a Monday, remove them on a Wednesday, and do the follow up skin exam on a Friday. If you are allergic to any of these substances, your skin will become irritated and may itch. This test is not routinely done. Steroids, both systemic (oral and intramuscular) and topical (on the skin) can affect the results of this test, and must be stopped for at least 2 weeks.


Spirometry is a breathing test that gives the ordering physician a good idea of the patient's lung function. It is not a complete lung function test, but is good for screening for suspected asthma and/or COPD (chronic obstructive pulmonary disease like emphysema or chronic bronchitis). If you are scheduled to have this testing done for diagnosing lung disease, please refrain from using your rescue inhaler/neb medication and Symbicort, Dulera or Advair the morning of the test if you use these medications. For a routine follow up visit where this test will be performed, it is ok to use your medications as previously directed.


After examining and cleaning the skin with alcohol, a small amount of each allergen is injected under the second layer of skin, or dermis, similar to a tuberculosis test. This test is not routinely done, and is mainly used to test for specific allergies when scratch testing fails to reveal a highly suspected allergy. The same medications that can affect scratch testing may also affect this test.