Fresno : 5043 E. Cesar Chavez Blvd., Suite 104, Fresno, CA 93727
Fresno North: 7407 North Cedar Ave Suite 102 Fresno CA 93720
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Merced Office: 105 W El Portal Dr, Suite B, Merced, CA 95348
Fresno Office: 5043 E Cesar Chavez Blvd, Suite 104, Fresno, CA 93727
Merced Office: 105 W El Portal Dr, Suite B, Merced, CA 95348
Seasonal allergy testing clinic in Fresno

Seasonal Allergy Testing in Fresno and Merced

Precise identification of environmental allergy triggers

Sierra Allergy, Asthma, and Sinus Center offers advanced seasonal allergy testing to determine the exact cause of your allergy symptoms. Our goal is to accurately identify your environmental triggers so that you and your physician can make informed decisions about treatment and prevention.

Why seasonal allergy testing is important

Seasonal allergies often present with similar symptoms like sneezing, nasal congestion, itchy eyes but the cause may vary between individuals. Without proper testing, treatment is based on assumptions. Accurate testing provides clear results, enabling targeted therapy and improved quality of life.

Testing is especially recommended if:

  • • You experience recurring symptoms during specific months
  • • Medications offer limited or temporary relief
  • • You are unsure of the specific allergens causing your reactions
  • • You have a personal or family history of asthma or allergic conditions
Allergy test for pollen and dust in Merced

What we test for

Our seasonal allergy testing panel includes common airborne allergens such as:
  • • Tree pollens (oak, birch, cedar, maple, and others)
  • • Grass pollens (Bermuda, Timothy, Kentucky bluegrass, and others)
  • • Weed pollens (ragweed, sagebrush, pigweed, and others)
  • • Mold spores (Alternaria, Cladosporium, and other outdoor molds)
These allergens change throughout the year. Identifying your unique pattern of sensitivity helps guide both treatment and seasonal planning.
Expert seasonal allergy treatment in Fresno

Testing methods used

We offer two clinically proven methods for identifying seasonal allergens:

Spring allergy diagnosis and testing services

Skin Prick Testing (SPT)

  • • Small amounts of allergens are applied to the surface of your skin, usually on your forearm or upper back.
  • • A tiny, painless device is used to lightly prick the skin, allowing exposure to each allergen.
  • • If you are allergic, a small raised bump (similar to a mosquito bite) will appear within 15 to 20 minutes.
  • • Results are immediate and interpreted during your visit.
Hay fever and seasonal allergy relief in Merced

Specific IgE Blood Testing

  • • A blood sample is collected and sent to a certified laboratory.
  • • The lab measures the level of IgE antibodies your immune system produces in response to specific allergens.
  • • This method is used for patients with skin conditions, those who take certain medications, or those who cannot undergo skin testing.
Both methods are safe and well tolerated by adults and children.

What to expect during your visit

  • • You will first meet with a specialist to discuss your symptoms and medical history.
  • • Based on your history and the timing of your symptoms, a customized testing plan will be created.
  • • Skin or blood testing will be performed in the same visit or scheduled shortly after.
  • • Results will be reviewed in detail, and we will provide a report outlining your specific sensitivities.
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This information is essential for guiding clinical decisions, lifestyle adjustments, and treatment planning.

Comprehensive allergy panel for seasonal triggers

Know your seasonal triggers. Breathe easier with accurate allergy testing.

Frequently Asked Questions

Seasonal allergy testing is a medical evaluation used to identify which environmental allergens such as tree, grass, or weed pollens are causing your symptoms. It helps your provider create a focused treatment plan based on precise results.

You may need testing if you experience recurrent sneezing, nasal congestion, itchy eyes, or fatigue during specific seasons. Testing is especially helpful if symptoms are interfering with daily life or not responding to medications.

Yes, both skin prick testing and blood testing are safe. Skin testing involves minimal discomfort and results in temporary redness or itching. Blood testing is noninvasive apart from the blood draw and is suitable for most patients.

Skin testing typically takes about 30 to 45 minutes, including consultation and observation time. Blood testing requires a quick sample collection, and lab results are usually available within a few days.

Skin testing results are available during your appointment. For blood tests, results may take two to three business days. In either case, your provider will review your results and discuss the next steps in care.

Merced Office Open on Saturdays