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How do you take Odactra?

Medically reviewed by Last updated on June 25, 2020.

Official Answer


Odactra (house dust mite allergen extract) is a tablet that is given sublingually (placed under the tongue to dissolve) once-a-day, year-round.

The tablet dissolves within 10 seconds. Patients should avoid swallowing for at least 1 minute, and avoid food or beverages for 5 minutes after each dose. The first dose is taken under the supervision of a health care professional due to the possibility of severe allergic reactions.

Odactra is an immunotherapy that treats allergies to dust mites. House dust mite allergies are a reaction to very small bugs found in house dust. Often, dusts mites can be found in bedding, furniture and carpet.

Symptoms exhibited by those with house dust mite allergies include a cough, runny nose, nasal itch and congestion, sneezing, and itchy, watery eyes.

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