Drug information provided by: Merative, Micromedex®
Grastek® is an allergen extract which is used as an immunotherapy to treat symptoms of grass pollen allergic rhinitis with or without conjunctivitis. This is confirmed by a positive skin test that is caused by timothy grass pollen allergen extract.
This medicine is available only with your doctor's prescription.
This product is available in the following dosage forms:
Portions of this document last updated: Feb. 01, 2023
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