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Allergy Season In Oklahoma: Allergens By Region + Symptoms & Treatment

Allergy Season In Oklahoma: Allergens By Region + Symptoms & Treatment

Medically Reviewed By:
Dr. Shuba Iyengar, MD, MPH
Published: May 24, 2024
Table of content

    Oklahoma is known for its diverse landscape, from rolling plains to lush forests. However, this variety in vegetation can also lead to a wide range of allergens that can trigger allergic reactions in individuals. Understanding Oklahoma allergies is crucial for those living in or visiting the state.

    Seasonal allergies in Oklahoma can be particularly challenging due to the different pollens released throughout the year. In the spring, oak, cedar, and maple trees are among the main culprits, causing sneezing, itching, and congestion for many. Summer brings grass pollen into the mix, while ragweed becomes a significant allergen in the fall. Even in winter, indoor allergens like dust mites and pet dander can exacerbate symptoms.

    For those affected, managing Oklahoma allergies involves a combination of strategies. Over-the-counter antihistamines can provide relief, while nasal corticosteroid sprays help reduce inflammation. Keeping windows closed during high pollen days and using air purifiers at home can also make a difference. In severe cases, allergists can conduct tests to identify specific triggers and recommend immunotherapy for long-term relief.

    By staying informed about common allergens in Oklahoma and adopting appropriate measures, individuals can better enjoy the beauty of the state's landscape without the discomfort of allergies holding them back. 


    By understanding the different allergens present in each season, individuals can better prepare and manage their symptoms.

    Spring Allergies
    Spring in Oklahoma brings blooming flowers and trees, but also a surge in pollen levels. Tree pollen, especially from oak, cedar, and maple trees, is a common allergen during this time. Grass pollen can also trigger allergies in some individuals. Approximately 30% of Oklahomans suffer from spring allergies.

    Summer Allergies
    While summer is a time for outdoor activities, it can also exacerbate allergies for many Oklahomans. Grass pollen continues to be a major allergen, along with mold spores that thrive in the warm and humid conditions. Ragweed pollen can also start to appear towards the end of summer, affecting those with ragweed allergies.

    Fall Allergies
    Fall in Oklahoma brings relief from the summer heat, but it also introduces new allergens. Ragweed pollen levels peak during this season, causing symptoms such as sneezing, congestion, and itchy eyes in many individuals. Mold spores from decaying leaves can also trigger allergies in some people.

    Winter Allergies
    While winter is typically associated with a decrease in allergens, indoor allergens can still pose a problem for Oklahomans. Dust mites, pet dander, and mold in indoor spaces can trigger allergies, especially when homes are sealed up to keep out the cold. Approximately 20% of Oklahomans experience winter allergies.


    In Oklahoma, the types of allergens can vary depending on the region you are in. Understanding the common allergens in each area can help you take proactive measures to minimize exposure and alleviate discomfort.

    Eastern Oklahoma
    In Eastern Oklahoma, ragweed is a prevalent allergen that can trigger seasonal allergies. Mold spores are also common in this region, especially in damp and humid areas. Additionally, tree pollen from oak, cedar, and pine trees can contribute to allergy symptoms in the spring.

    Central Oklahoma
    Central Oklahoma experiences high levels of grass pollen during the spring and summer months, making it a significant allergen in this region. Dust mites are another common allergen found in homes and buildings, leading to year-round allergy symptoms for many residents.

    Western Oklahoma
    In Western Oklahoma, wind-blown dust and pollen from grasses and weeds are major allergens that can exacerbate symptoms for allergy sufferers. Additionally, the dry climate in this region can lead to increased indoor allergens like pet dander and cockroach droppings.

    Northern Oklahoma
    Northern Oklahoma sees a high concentration of weed pollen, particularly from plants like sagebrush and pigweed. Mold spores are also prevalent in this region, especially after periods of rain or high humidity. Taking precautions to reduce exposure to these allergens can help manage symptoms effectively.


    Allergic reactions to tree pollen, ragweed pollen, and other allergy triggers we have mentioned can wreak havoc on your everyday life. Luckily, there are three general ways to fight back– medications, allergen immunotherapy, and lifestyle changes. Each method has its own pros and cons. 

    The most widespread allergy treatments are medications, which can be divided into oral and topical treatments. 

    Oral medications include drugstore pill and liquid allergy medications.Though these medications are easy to take and are partially effective, they also cause significant side effects in many people, especially because the medication is absorbed in the entire body. 

    Topical allergy treatments, which are predominantly nasal sprays, are the gold standard for treatment. Nasal sprays address symptoms directly at the source, which is inside the nose. Because nasal sprays are only absorbed by the nose, there is little to no absorption by the rest of the body, and so the side-effects tend to be much less than oral medications. Most drugstore nasal sprays only treat one or two allergy symptoms, and often take at least a week to have an effect. Therefore to get relief, you would need to use multiple nasal sprays. 

    Despite the prevalence of single-symptom nasal sprays, there is a prescription nasal spray available on the market that treats all of your allergy symptoms in just one bottle. Keep reading to learn more about Allermi!

    Allergy shots/drops
    Allergen immunotherapy, better known as allergy shots or drops, is a treatment in which your immune system is exposed to small doses of specific reactive allergens over time through injections or drops under the tongue. This encourages your immune system to build natural immunity against your individual triggers. 

    Unfortunately, it is an expensive, time-consuming process that can take a least a year to have an effect. 

    Lifestyle changes
    The final way to address seasonal allergies is to make lifestyle changes. Using an air purifier in your bedroom, avoiding extended periods of time outdoors, keeping your bedroom windows closed during high pollen seasons, and washing bed sheets frequently are all things you can do to minimize allergy flare-ups. 

    It is important to keep in mind that lifestyle changes, while they can help, are by themselves not a viable option for those with severe allergies.


    What are the common allergens in Oklahoma during allergy season?Oklahoma is known for its high levels of pollen, particularly from grasses, weeds, and trees. Mold spores can also be a significant allergen during certain times of the year.

    When is allergy season in Oklahoma?
    Allergy season in Oklahoma typically starts in the spring, around March or April, and can last through the fall. However, the peak of allergy season varies depending on the specific allergens present in the air.

    What are the symptoms of allergies in Oklahoma?
    Common allergy symptoms in Oklahoma include sneezing, runny or stuffy nose, itchy or watery eyes, and coughing. Some people may also experience fatigue, headaches, or worsening asthma symptoms.

    How can I manage my allergies during allergy season in Oklahoma?
    To manage your allergies during allergy season in Oklahoma, consider taking over-the-counter antihistamines, using nasal sprays, keeping windows closed to prevent pollen from entering your home, and showering after spending time outdoors.


    Using multiple over-the-counter allergy treatments is not ideal for getting through allergy season in Oklahoma. Skip the drugstore and get a personalized all-in-one allergy treatment from the comfort of your home. 

    Allermi is a customized allergy nasal spray designed by experienced, board-certified allergists to solve your unique seasonal allergy symptoms. The Allermi formula is backed by science to give you the most effective allergy treatment for your individual allergy symptoms. 

    The best part? Allermi nasal spray is easy to use and delivered to your door in Oklahoma.