Clinically Studied

RAGWITEK is clinically proven to help prevent ragweed allergy symptoms

RAGWITEK was tested in clinical studies of adults with a history of ragweed allergy symptoms. In two clinical studies, RAGWITEK provided significant relief of ragweed allergy symptoms throughout an entire ragweed pollen season, including when ragweed pollen counts were the highest (sometimes known as the "peak" of the season). Symptoms included:

  • Runny nose
  • Stuffy nose 
  • Itchy nose
  • Sneezing 
  • Itchy eyes
  • Watery eyes
  • Runny nose
  • Stuffy nose 
  • Itchy nose
  • Sneezing 
  • Itchy eyes
  • Watery eyes
  • Runny nose
  • Stuffy nose 
  • Itchy nose
  • Sneezing 
  • Itchy eyes
  • Watery eyes
See the details of two clinical studies with RAGWITEK® (Short Ragweed Pollen Allergen Extract)

RAGWITEK also reduced the need for over-the-counter and prescription allergy medications throughout the same ragweed pollen season, including the peak of the season.


RAGWITEK® (Short Ragweed Pollen Allergen Extract) was proven to provide significant relief of eye and nose symptoms throughout the ragweed pollen season RAGWITEK® (Short Ragweed Pollen Allergen Extract) was proven to provide significant relief of eye and nose symptoms throughout the ragweed pollen season

Standard allergy medications. These generally included systemic and topical antihistamines, topical steroids, and oral corticosteroids.

Standard allergy medications. These generally included systemic and topical antihistamines, topical steroids, and oral corticosteroids.

Standard allergy medications. These generally included systemic and topical antihistamines, topical steroids, and oral corticosteroids.
Sign up for a free support program for people with ragweed allergies

Important Safety Information about RAGWITEK 

  • RAGWITEK can cause severe allergic reactions that may be life-threatening. Stop taking RAGWITEK and get medical treatment right away if you have any of the following symptoms after taking RAGWITEK:
    • Trouble breathing
    • Throat tightness or swelling
    • Trouble swallowing or speaking
    • Dizziness or fainting
    • Rapid or weak heartbeat
    • Severe stomach cramps or pain, vomiting, or diarrhea
    • Severe flushing or itching of the skin
  • Do not take RAGWITEK if you have severe, unstable or uncontrolled asthma; had a severe allergic reaction in the past that included trouble breathing, dizziness or fainting, or rapid or weak heartbeat; had difficulty with breathing due to swelling of the throat or upper airway after using any sublingual immunotherapy before; have ever been diagnosed with eosinophilic esophagitis; or are allergic to any of the inactive ingredients contained in RAGWITEK.
  • For home administration of RAGWITEK, your doctor will prescribe auto-injectable epinephrine, a medicine you can inject if you have a severe allergic reaction after taking RAGWITEK. Talk to your doctor or read the epinephrine patient information if you have any questions about the use of auto-injectable epinephrine.
  • The first dose of RAGWITEK must be taken in the doctor’s office. After taking the first tablet, you will be watched for at least 30 minutes for symptoms of a serious allergic reaction.

Click here for additional Important Safety Information about RAGWITEK® (Short Ragweed Pollen Allergen Extract)