Learn more about GRASTEK

GRASTEK is clinically proven to help prevent grass allergy symptoms

GRASTEK was tested in clinical studies of adults and children with a history of grass allergy symptoms. In two clinical studiesa, GRASTEK provided significant relief of grass allergy symptoms throughout an entire grass pollen season and reduced the need for over-the-counter and prescription allergy medications throughout the same grass pollen seasonb. Symptoms included:
Grass Allergy Symptom Stuffy Nose

Stuffy Nose

Grass Allergy Symptom Runny Nose

Runny Nose

Grass Allergy Symptom Sneezing


Grass Allergy Symptom Watery Eyes

Watery Eyes

Grass Allergy Symptom Itchy Nose

Itchy Nose

In another study, GRASTEK provided significant relief of grass allergy symptoms listed above and reduced the need for symptom-relieving medications in 3 years in which patients received GRASTEK and 1 year after stopping GRASTEK. Grastek was proven to provide significant relief of eye and nose symptoms during allergy season.

a Two 24-week studies. One study was conducted with adults only; the other study was conducted with adults and children.
b Standard allergy medications. These generally included systemic and topical antihistamines, topical steroids, and oral corticosteroids.

How To Take Ragwitek
GRASTEK® Timothy Grass Pollen Allergen Extract Tablet for Sublingual Use

Tablet Not Actual Size

GRASTEK is grass allergy immunotherapy in a tablet

Instead of a shot, GRASTEK is a once-a-day tablet that dissolves quickly when placed under the tongue. After taking it, don’t swallow for at least 1 minute. GRASTEK is made from small amounts of natural Timothy grass pollen and may help you gradually build tolerance so you become less sensitive to grass pollen.

GRASTEK® (Timothy Grass Pollen Allergen Extract) is a daily dose of immunotherapy

Taking the first tablet in your allergy specialist’s office