Proper Use

Drug information provided by: Merative, Micromedex®

Take this medicine exactly as directed by your doctor. Do not take more of it, do not take it more often, and do not take it for a longer time than your doctor ordered.

This medicine should come with a Medication Guide. Read and follow these instructions carefully. Read it again each time you refill your prescription in case there is new information. Ask your doctor if you have any questions.

Start using Oralair® 4 months before the expected onset of each grass pollen season, and continue using this medicine daily throughout the pollen season.

Your doctor will give you the first dose of Oralair® in a medical facility. This is to monitor you or your child for at least 30 minutes for any signs or symptoms of a severe allergic reaction. If you can tolerate the first dose of Oralair®, then you may take the next doses at home.

To use:

  • Wash your hands before and after using the tablet.
  • Remove the tablet from the blister pack if you are ready to use it.
  • Place the tablet immediately under the tongue where it will dissolve for at least 1 minute before swallowing.
  • Do not eat or drink anything for 5 minutes after using the tablet.


The dose of this medicine will be different for different patients. Follow your doctor's orders or the directions on the label. The following information includes only the average doses of this medicine. If your dose is different, do not change it unless your doctor tells you to do so.

The amount of medicine that you take depends on the strength of the medicine. Also, the number of doses you take each day, the time allowed between doses, and the length of time you take the medicine depend on the medical problem for which you are using the medicine.

  • For sublingual dosage form (tablets):
    • For grass pollen rhinitis:
      • Adults 18 to 65 years of age—One tablet [300 IR (index of reactivity)] once a day.
      • Children 5 to 17 years of age—One tablet (100 IR) on Day 1. Then, two tablets of 100 IR taken on Day 2. Your doctor will increase your dose to 300 IR once a day on Day 3 onwards.
      • Children younger than 5 years of age—Use is not recommended.

Missed Dose

Call your doctor or pharmacist for instructions.


Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light. Keep from freezing.

Keep out of the reach of children.

Do not keep outdated medicine or medicine no longer needed.

Ask your healthcare professional how you should dispose of any medicine you do not use.