Allergy Shot Alternative with Sublingual Treatment Plans | Wyndly logo

Odactra for kids: FDA expands dust‑mite tablet to ages 5–65 (Feb 28, 2025) — what parents should know

Introduction

On February 28, 2025, the FDA expanded the age range for the dust‑mite allergen tablet Odactra to include children, approving use for ages 5–65 for house dust mite–induced allergic rhinitis with or without conjunctivitis. This news matters to families because Odactra (a once‑daily, under‑the‑tongue tablet) treats a single, common indoor trigger—dust mites—without weekly injections, while maintaining the same boxed and warning precautions used in other sublingual immunotherapy (SLIT) tablets.

What changed on February 28, 2025?

  • FDA broadened the indication for Odactra to ages 5–65 for dust‑mite–induced allergic rhinitis (with/without conjunctivitis) in patients with a positive in‑vitro IgE or skin test to house dust mite.

  • Pediatric use (ages 5–11) now follows the same first‑dose and epinephrine requirements used for other SLIT tablets (e.g., grass and ragweed tablets).

Odactra label at a glance (for families and clinicians)

Label element Key facts
Active allergens Standardized extracts of Dermatophagoides farinae and D. pteronyssinus (house dust mites)
Indication Immunotherapy for dust‑mite–induced allergic rhinitis/conjunctivitis with evidence of sensitization
Approved ages 5–65 years (approval date: Feb 28, 2025)
Dosing 1 tablet sublingually once daily; hold under tongue until dissolved (then swallow)
First dose Must be given under medical supervision with 30‑minute observation
Epinephrine Patients must be prescribed and trained to carry an auto‑injectable epinephrine device
Common reactions Throat irritation, oral/tongue/ear pruritus, mouth edema, nausea, abdominal pain; typically mild to moderate
Serious risks Anaphylaxis, laryngopharyngeal edema, asthma exacerbation (stop and seek care)
Contraindications Severe/unstable or uncontrolled asthma; history of severe systemic reaction to SLIT; eosinophilic esophagitis; acute oral inflammation or mouth wounds until healed
Temporarily hold After oral surgery/tooth extraction or if mouth ulcers/lacerations develop; restart per prescriber guidance

Where Odactra fits vs. Wyndly’s SLIT options

  • Odactra targets only dust mites (one allergen). If dust mites are your child’s dominant trigger, a tablet can be convenient.

  • Many children are polysensitized. Wyndly can manage multi‑allergen care using doctor‑directed, at‑home sublingual immunotherapy drops that can address multiple environmental triggers together (e.g., dust mites, pets, pollens, molds), or FDA‑approved tablets when appropriate.

  • Learn more: Allergy drops (SLIT) vs shots, Immunotherapy at Wyndly, and pediatric guidance in How to treat your kids’ allergies.

Safety must‑knows from the tablet label

  • First dose in clinic: The very first tablet is taken under medical supervision with at least 30 minutes of observation to manage rare severe reactions.

  • Epinephrine: Every patient must be prescribed and trained to use an auto‑injectable epinephrine device and to seek emergency care after use.

  • Asthma: Do not start in patients with severe/unstable/uncontrolled asthma; stop treatment and contact your clinician with any asthma worsening.

  • Mouth/throat: Pause dosing for oral surgery, tooth extraction, or active mouth sores; resume only when healed.

  • Illness & adherence: If a systemic allergic reaction occurs, stop dosing and contact your clinician before resuming.

Pediatric FAQs (ages 5–11)

How is the tablet taken?

One tablet goes under the tongue daily; keep it there until it dissolves, then swallow. Do not eat or drink for 5 minutes after dosing.

How long is treatment?

Immunotherapy typically continues for 3 years to induce durable immune tolerance. Some symptom relief may appear within weeks to months, but full benefit requires sustained daily dosing.

Does my child need an Epi

Pen? Yes. All SLIT tablets require an epinephrine auto‑injector prescription and caregiver training as part of the Risk Evaluation and Mitigation Strategy (REMS) elements of safe use.

What if my child misses a dose?

Give the next dose at the usual time the following day. If multiple consecutive doses are missed, contact your clinician for restart guidance.

Can my child use Odactra with other allergy medicines?

Often yes. Antihistamines and intranasal steroids can be used as needed for breakthrough symptoms. Discuss all medications with your child’s clinician.

What if my child has multiple allergies?

Tablets treat a single allergen. For children sensitized to several triggers (e.g., dust mites + pets + pollens), Wyndly physicians can tailor care using multi‑allergen SLIT drops and/or appropriate tablets. See Allergy drops.

Is Odactra safe for kids with asthma?

Children with controlled, mild asthma may be candidates. Do not start in severe/unstable/uncontrolled asthma. Any asthma worsening requires prompt evaluation.

Can we travel with the tablet?

Yes. Keep tablets in original packaging; continue daily dosing; ensure epinephrine is on hand and not expired.

School considerations

Inform the school nurse about SLIT therapy and provide a current epinephrine auto‑injector and your child’s allergy/asthma action plan.

How Wyndly supports families

  • Physician‑led care: Meet online with a board‑certified doctor to confirm dust‑mite sensitization (at‑home IgE testing available) and choose between an FDA‑approved tablet and/or multi‑allergen SLIT drops.

  • At‑home convenience: Medication shipped to your door with ongoing 24/7 messaging support.

  • Evidence‑based protocols: Wyndly follows clinical practice guidelines and uses FDA‑approved SLIT tablets or clinically proven dosing for oral use.

Explore care options: Immunotherapy • Allergy drops • Treat your kids’ allergies

Source notes (for medical accuracy)

  • FDA approval date and pediatric expansion: February 28, 2025.

  • Core label elements summarized from the Odactra prescribing information: first‑dose supervision, epinephrine prescription/training, daily sublingual dosing, contraindications (e.g., severe/unstable asthma, eosinophilic esophagitis), and common adverse reactions.

If you have questions about whether a tablet or multi‑allergen drops are the right fit for your child, schedule an online visit with a Wyndly physician.