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Pollen Seasons

Trees in Central Oklahoma trees begin pollinating from mid-September (mountain cedar from the Arbuckle Mountains) through early May (pecan) and late June (pine). There is a second elm season in the fall (late August to October) due to the introduction of lacebark elms and cedar elms to this area. Each of the common tree species (elm, oak, maple/box elder, pecan/hickory, birch, mulberry, juniper, sycamore, pine, cottonwood/poplar, willow) usually pollinate for only a few weeks but added together the season is quite long.

Grasses

Central Oklahoma has two grass seasons. Cool season grasses (blue, fescue, timothy, rye, orchard, and redtop) can begin as early as late February or March but after a month or two they stop pollinating totally. The warm season grasses (which do not cross-react with cool season grasses) such as Bermuda, Bahia, crabgrass, and Johnson begin when the weather becomes warm and do not always stop until a good hard freeze in November.

Weeds

Some weeds pollinate in late spring or summer (dock and plantain), but most begin in late summer and fall. Ragweed pollination begins based on hours of daylight and almost always begin when the days shorten around the middle of August. However, the weeds often continue to pollinate until there is a hard freeze, often in late November.

Molds

We find molds in Central Oklahoma every day of the year unless there is a very hard freeze and/or the ground is covered with snow.
The Oklahoma Allergy & Asthma Clinic is a certified counting station for pollen and mold. We are associated with the National Allergy Bureau and the AAAAI. You can find our counts on the internet at www.oklahomaallergy.com. We supply the local media (TV stations, newspaper and radio) with our counts every day they are done. To learn more about the National Allergy Bureau (NAB) you can go to www.aaaai.org.

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Grass Pollen Allergy

If the smells of freshly cut lawns make you sneeze, you may have a grass pollen allergy. Grass pollen is a common cause of allergy. Every spring and summer, plants release tiny pollen grains to fertilize same species plants. Grass pollen can trigger allergic reactions.

If you are experiencing these symptoms, grass pollen may be the trigger:

  • Runny nose
  • Sneezing
  • Itchy nose, eyes, ears and mouth
  • Stuffy nose (nasal congestion)
  • Red and watery eyes
  • Swelling round the eyes

 Since grass pollen grains may not be visible to the eye, your body may react even to tiny amounts of pollen in the air. With Oklahoma’s strong winds, pollen is distributed across the state.

Also known as hay fever, allergists refer to pollen allergy as seasonal allergic rhinitis.

What grasses cause allergy symptoms?

Fortunately, only a few grasses cause allergic symptoms. Where you live also plays a factor in grass allergy.

The most common grasses causing allergies are:

  • Bermuda
  • Johnson
  • Kentucky
  • Orchard
  • Rye
  • Sweet Vernal
  • Timothy

Living in Oklahoma, grass can pollinate through most of the year. Tiny, light and dry – grass pollen grains can travel for hundreds of miles.

“The first step is to get tested and diagnosed,” said OAAC Allergist Dr. Bret Haymore. “Once your allergist knows what specific allergens causing your symptoms, then we can work with you to create a treatment plan.”

Options for treatment include over-the-counter medicines, liquids or nasal sprays and prescription pills (also known as antihistamines, decongestants and nasal steroids). These can help reduce or prevent grass allergy symptoms.

“Grass allergy pollen medicines work best when you start taking them before pollen season begins,” said Dr. Haymore. “This will allow the medicines to prevent your body from releasing histamine and other chemicals that cause your symptoms.”

Another option if those medicines are no longer helping, may be immunotherapy or allergy shots. There are two types of grass allergy immunotherapy – allergy shots and allergy tablets. 

“Immunotherapy is a long-term course of treatment that can reduce or even prevent the severity of allergic reactions,” he said. “Allergy shots usually take a one-to-three-year commitment and can modify the body’s immune response to allergens.”

Allergy shots or subcutaneous immunotherapy (SCIT) are given at the OAAC clinics. Patients are monitored for any type of reaction to the shot. Most common side effects include local reactions at the injection site – redness, itching, swelling, tenderness, and pain. Less common reactions may include generalized redness, hives, itching, swelling, wheezing and low blood pressure.

Allergy tablets or sublingual immunotherapy (SLIT) can be done at home. This therapy involves placing a tablet containing the allergen under the tongue for one to two minutes and then swallowing it. Treatment must begin before grass allergy season and continues throughout grass allergy season. Taking the daily tablets may reduce grass allergy symptoms. There can be some side effects, and some can be serious. Please discuss with SLIT therapy with your OAAC provider about treatment options.

The post Grass Pollen Allergy appeared first on Oklahoma Allergy and Asthma Clinic.

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