What is Timothy Grass Allergy?

Timothy grass pollens are the major cause of respiratory allergic disease globally. The timothy grass allergy is one of the most common types of grass allergy.

About forty percent of specific IgE reactions occur in patients with these allergies. The other 20 percent of IgE reactions appear in the general people. Timothy grass is one of the common grasses in Northern and Central Europe that cause pollen allergens. It grows in cooler and humid climates.

The grass relates to the phylum Spermatophyta. Timothy grass grains are micrometers in diameter. It is best identified in allergic grass.

Timothy Grass Allergy Symptoms

You can develop timothy grass allergy symptoms quickly or after a period. You should keep in mind your symptoms can be delayed after coming in contact with an allergen. The symptoms can be mild or may be severe after a while. Timothy’s grass allergy symptoms are related to other grass pollen allergies. The most common timothy symptoms include:

  • Itchy mouth, skin, eyes, tongue, or throat
  • Stuffy or runny nose
  • Allergic rhinitis with or without conjunctivitis
  • Fatigue
  • Puffy and Teary Eyes
  • Coughing and Sneezing
  • Itchy Skin, Hives, and rashes
  • Hay Fever
  • Difficulty or Trouble Breathing

The most severe and life-threatening timothy grass allergy reaction is Anaphylaxis. Talk to your doctor right now if you have difficulty breathing and seek medical advice.

Pediatric issues

The prevalence of the ARC was 14.6 % in children aged 13 to 14 years. In the United States, children between the ages of 30 and 24 live with an ARC prevalence of 13 to 17 percent.

According to the Canadian Public Health Agency reports, more than 50% of Canadians suffer from ARC. Moreover, more than 20% of Canadians suffer from asthma.

The ARC had a profound effect on the daily life of school-going children. It affected the children’s sleep, limiting school and the rest of the performance was reduced.

Hives on feet and legs due to timothy grass allergy.

Risk factors of Timothy Grass Allergy

In the middle of the 19th century, pollen have been identified as a threat to cause. Grass pollens are known to be the most predominant seasonal allergens. They cause allergic symptoms such as ARC and asthma during summer in a cool climate.

Along with ARC, many patients have allergies to timothy grass. ARC belongs to asthma and itself is considered endangered by asthma.

Timothy Grass Allergy Treatment

If you have a mild allergy to timothy grass, you can use allergy medication against the symptoms. The allergist will diagnose your allergy and the severity of the allergy. This may take 30 minutes to 1 hour for a diagnosis. If there is no timothy grass allergen extract available for the skin prick test. Your allergist may perform any other alternative allergy test.

If your allergy is severe the healthcare professional may prescribe the following medications.

  • Prescription Antihistamines
  • Prescription Decongestants
  • Injectable epinephrine
  • Nasal Corticosteroid Sprays
  • Allergy Immunotherapy Shots or Allergy Shots

If your allergy is life-threatening the allergist may give you allergy shots. Scientists introduced many other allergy treatments now. The alternative treatment for allergies is subcutaneous immunotherapy or LDA immunotherapy. It will take almost 10 to 12 weeks to remove your entire allergy symptoms.


Genetically sensitive people can develop allergic reactions when exposed to allergens. Timothy grass pollen allergens can increase the risk of asthma and ARC. Sensitive people may develop Timothy grass allergy symptoms due to allergic weather.

So, a decrease in allergy symptoms can better the allergy, asthma, and ARC effects. In case you are allergic to timothy grass. You should be aware of cross-reactivity from other grasses pollens.

The best way to treat allergic reactions to timothy grass pollen is to avoid the allergen. But it is not possible to control pollen allergies in the outdoor environment. That’s why you should pay more attention to avoiding this allergy.

  • Keep yourself confined to your room during high grass pollens seasons.
  • Bathing after coming home from outside during pollen season. It can reduce Timothy’s grass allergy from the head and body.
  • Sensitive people should stay home in mid of summer and pollen allergies season. So that there is less exposure to pollen. Long term exposure to this seasonal allergic substance causes dangerous side effects.
  • Adults should wear sunglasses and a face mask over the mouth in the sun. So that the number of pollen should not increase.

Where is Timothy’s grass found?

Timothy grass grows best in cold, humid, and numerous areas. Many people consider it to be one of the best allergenic grasses. Even though this grass pollen shows a significant geographical distribution. It is the most common allergen in Europe Among the European population.

It shows the highest prevalence of sensitization, ranging from 18.5 to 28.5% with a median prevalence of 16.9%. Analysis of Allergen microarray among Austrian students found 36% spread. About 69% of the US population suffers from Timothy grass.

The prevalence of Timothy grass within the United States is about 20.2% and 23.3%. The prevalence is around 21.8% in ARC patients.

Blades of Timothy Grass on dark background.

Nature of Timothy Grass

Timothy grass is one of the most common grasses in the world. It is perennial and the maximum length is 1.5 meters.

The leaves are hairless and dense with an average width of up to 9-9mm. It has a 5 to 15 cm long spike-like flowering head.

It has been widely cultivated and introduced as hay and pasture grass. Moreover, its cultivation has been introduced and started in Japan and China.


Timothy grass grows best in cool climates. It is grown as pasture and grows best in the moist plains, roadside, canals, and ditches. It is found mostly in cold regions and high mountains.

Timothy grass grows very well in winter. This grass can withstand icy weather. Timothy grass can’t stand during summer and high temperatures.

Timothy grass grows very well on wet and flat soil. In some European countries, this grass is considered very important.

Timothy grass belongs to Europe and Asia and is also grown as grass in many parts of the world. Timothy grass is found in 50 states in the United States. You can also find it easily in all provinces of Canada.


Timothy grass relates to the phylum Spermatophyte class Monocotyledon. Timothy’s subfamily is Pooideae (the largest subfamily in grass Poaceae). This breed consists of fifteen species in which P. pratense is highly cultivated.

Timothy grass seeds are micrometers in diameter. Their shape is mostly spheroidal and sometimes elliptical. The grain or cereals has a thin exine.

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