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MEDICAL INFORMATION
Grastek Key Facts
What is Grastek?
Grastek is the brand name for Timothy grass pollen allergen extract and is available as a sublingual tablet.
What dosages is Grastek available in?
Grastek is a sublingual tablet that contains 2800 Bioequivalent Allergy Units (BAUs) of Timothy grass pollen allergen extract.
What is Grastek used for?
Grastek is an allergen extract indicated as immunotherapy for the treatment of grass pollen-induced allergic rhinitis in people 5 to 65 years of age.
How does Grastek work?
Grastek is an allergen extract that comes from Timothy grass. The way it works isn’t fully understood. But it’s thought to help treat allergies to grass pollen by changing how your immune system reacts to Timothy grass pollen.
How do I take Grastek?
The typical dose is 1 Grastek tablet dissolved under the tongue once a day. You will usually start treatment 3 months before allergy season and continue taking it throughout the season.
Is it safe for me to take Grastek?
Grastek is a safe and effective treatment when used for FDA licensed indications. However, like all medications, they may give you unwanted side effects. You should always discuss potential side effects with your physician to ensure the medication is suitable and right for you. You should not use this medication in the following:
- Severe, unstable or uncontrolled asthma
- History of any severe systemic allergic reaction or any severe local reaction to sublingual allergen immunotherapy
- A history of eosinophilic esophagitis
- Hypersensitivity to any of the inactive ingredients contained in this product
Grastek Common Side Effects
Common side effects of Grastek:
- Itchy mouth
- Throat irritation
- Itchy ear
- Swelling in the mouth
- Tingling in the mouth
- Itchy tongue
Grastek Serious Side Effects
Serious side effects are rare with Grastek. Contact your healthcare provider immediately if you experience any of the following:
- Serious allergic reaction: trouble breathing, throat swelling or tightness, chest tightness, swelling of the lips or tongue, dizziness, fainting, fast heartbeat, hives, itchy skin, flushing, stomach pain, nausea, vomiting
Effects of other drugs, drug classes and over-the-counter products on Grastek
There are no major drug interactions listed for this medication. However, always let your physician and pharmacist know about any other medications or supplements (including prescribed and over-the-counter medications, vitamins, and dietary or herbal supplements) that you are currently taking.
Who makes Grastek?
ALK-Abelló
Is Grastek safe in pregnancy?
It is not known whether this medication is safe for you and your unborn baby during pregnancy. Talk to your doctor if you are already pregnant or if you have plans on becoming pregnant. They will recommend what is best for you.
What is the generic name for Grastek?
Medical Disclaimer
NowPatient has taken all reasonable steps to ensure that all material is factually accurate, complete, and current. However, the knowledge and experience of a qualified healthcare professional should always be sought after instead of using the information on this page. Before taking any drug, you should always speak to your doctor or another qualified healthcare provider.
The information provided here about medications is subject to change and is not meant to include all uses, precautions, warnings, directions, drug interactions, allergic reactions, or negative effects. The absence of warnings or other information for a particular medication does not imply that the medication or medication combination is appropriate for all patients or for all possible purposes.
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