Timothy Grass Pollen Allergen Extract Dosage
Medically reviewed by Drugs.com. Last updated on Jun 28, 2021.
Applies to the following strengths: 2800 BAU
Usual Adult Dose for:
Usual Pediatric Dose for:
Additional dosage information:
Usual Adult Dose for Allergic Rhinitis
1 tablet sublingually once a day
Comments:
-Treatment should be initiated at least 12 weeks before the expected onset of each grass pollen season and continued throughout the season.
-Each tablet contains 2800 bioequivalent allergy units (BAUs).
-For sustained effectiveness, consider daily use for 3 consecutive years.
Use: Treatment of grass pollen-induced allergic rhinitis with or without conjunctivitis confirmed by positive skin test or in vitro testing for pollen-specific immunoglobulin E (IgE) antibodies for timothy grass or cross-reactive grass pollens.
Usual Pediatric Dose for Allergic Rhinitis
5 years or older: 1 tablet sublingually once a day
Comments:
-Treatment should be initiated at least 12 weeks before the expected onset of each grass pollen season and continued throughout the season.
-Each tablet contains 2800 BAUs.
-Administer to children under adult supervision.
-For sustained effectiveness, consider daily use for 3 consecutive years.
Use: 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.
Renal Dose Adjustments
Data not available
Liver Dose Adjustments
Data not available
Precautions
US BOXED WARNING:
-Timothy grass allergen extract can cause life-threatening allergic reactions such as anaphylaxis and severe laryngopharyngeal restriction.
-Do not administer 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.
-May not be suitable for patients with certain underlying medical conditions that may reduce their ability to survive a serious allergic reaction.
-May not be suitable for patients who may be unresponsive to epinephrine or inhaled bronchodilators, such as those taking beta-blockers.
CONTRAINDICATIONS:
-Severe, unstable, or uncontrolled asthma
-History of any severe systemic allergic reaction
-History of any severe local reaction after taking any sublingual allergen immunotherapy
-History of eosinophilic esophagitis
-Hypersensitivity to any product ingredients
Safety and efficacy have not been established in patients younger than 5 years.
Consult WARNINGS section for additional precautions.
Dialysis
Data not available
Other Comments
Administration advice:
-For sublingual use only
-Administer the first dose in a health care setting under the supervision of a physician with experience in the field.
-After receiving the first dose, observe the patient for at least 30 minutes to monitor for signs or symptoms of a severe systemic or a severe local allergic reaction.
-Administer to children under adult supervision.
-Allow the tablet to remain under the tongue until completely dissolved. Do not swallow for at least 1 minute.
-Wash hands after handling the tablet.
-Do not take the tablet with food or beverage. Food or beverage should not be taken for at least 5 minutes after taking the tablet.
-Prescribe auto-injectable epinephrine to patients and instruct them in the proper use of emergency self-injection of epinephrine.
Storage requirements:
-Protect from moisture.
Patient advice:
-Patients should be instructed to read the US FDA-approved patient labeling (Medication Guide).
-Patients should be informed of the potential for serious hypersensitivity reactions and what to do if a reaction occurs.
-Patients with asthma should contact their health care provider immediately if their symptoms become difficult to control.
More about timothy grass pollen allergen extract
Patient resources
- Drug Information
- Timothy grass pollen allergen extract Sublingual (Advanced Reading)
- Grass Pollen Allergen Extract (Timothy Grass)
- Other brands
- Grastek
Related treatment guides
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.