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U.S. Department of Health and Human Services

Vaccines, Blood & Biologics

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GRASTEK

STN: 125473
Proper Name: Timothy Grass Pollen Allergen Extract
Tradename: GRASTEK
Manufacturer: Merck Sharp & Dohme Corp
Indication:

  • Immunotherapy for the treatment of grass pollen-induced allergic rhinitis with or without conjunctivitis confirmed by positive skin test or in vitro testing for pollen-specific IgE antibodies for Timothy grass or cross-reactive grass pollens. GRASTEK is approved for use in persons 5 through 65 years of age