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(Timothy Grass Pollen Allergen Extract) Tablets



  • GRASTEK can cause life-threatening allergic reactions such as anaphylaxis and severe laryngopharyngeal restriction.
  • Do not administer GRASTEK to patients with severe, unstable or uncontrolled asthma.
  • Observe patients in the office for at least 30 minutes following the initial dose.
  • Prescribe auto-injectable epinephrine, instruct and train patients on its appropriate use, and instruct patients to seek immediate medical care upon its use.
  • GRASTEK may not be suitable for patients with certain underlying medical conditions that may reduce their ability to survive a serious allergic reaction.
  • GRASTEK may not be suitable for patients who may be unresponsive to epinephrine or inhaled bronchodilators, such as those taking beta-blockers.


GRASTEK tablets contain pollen allergen extract from Timothy grass (Phleum pratense). GRASTEK is a sublingual tablet.

GRASTEK is available as a tablet of 2800 BAU of Timothy grass pollen allergen extract. Inactive ingredients: gelatin NF (fish source), mannitol USP and sodium hydroxide NF.

Last reviewed on RxList: 5/1/2014
This monograph has been modified to include the generic and brand name in many instances.

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Allergies & Asthma

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