Sublingual Immunotherapy (SLIT) Allergy Tablets
Last updated March 2026
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Sublingual immunotherapy (SLIT) allergy tablets: allergy tablets is another form of allergy immunotherapy and involves administering the allergens under the tongue generally on a daily basis.
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Generic Name
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Brand Name
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Use
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Usual Dosage
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Dust mite oral extract
Boxed Warning*
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Odactra
Odactra Website
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Dust Mite Allergy
5-65 years old
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Once per day year round
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Timothy grass pollen sublingual extract
Boxed Warning*
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Grastek
Grastek Website
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Treatment of allergy to timothy and similar grasses approved from age 5-65.
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One tablet once a day. First dose in doctor's office starting 12 weeks prior to grass season.
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Grass pollen sublingual extract (sweet vernal, orchard, perennial, rye, timothy, Kentucky blue)
Boxed Warning*
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Oralair
Oralair Website
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Allergic rhinitis with or without allergic conjunctivitis. Ages 5-65 years old.
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One tablet once a day. First dose in doctor's office starting at least 4 months prior to the start of grass pollen season.
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Short ragweed pollen sublingual extract
Boxed Warning*
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Ragwitek
Ragwitek Website
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Treatment of allergy to ragweed approved from age 5-65.
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One tablet once a day. First dose in doctor's office starting 12 weeks prior to ragweed season.
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*Boxed Warning – this label indicates that the product, per the FDA, may have serious safety risks. Please speak with your health care provider or pharmacist to learn more about the potential side effects.
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