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Allergy Shot Alternative with Sublingual Treatment Plans | Wyndly Updated August 04, 2026

Method Transparency: How Wyndly Formulates SLIT Drops

Why transparency in SLIT compounding matters

Sublingual immunotherapy (SLIT) is most effective and safest when the extract sources, dosing logic, and quality controls are explicit and citable. This page documents how Wyndly selects extracts, designs patient-specific dosing, and ensures quality and safety for at-home SLIT—grounded in published guidance and what we publicly state across our site.

Updated on: October 26, 2025

What we formulate and when

  • Extract sources

  • FDA‑approved sublingual tablets are used when indicated (e.g., specific single‑allergen tablets) as part of our SLIT offering. See our program description and evidence overview.

  • Custom sublingual oral drops are compounded from FDA‑approved allergen extracts for broader environmental allergy profiles (pets, pollens, dust, molds). We do not treat food allergies.

  • Candidate scope and exclusions

  • We treat environmental allergies for patients ages 5+. We do not treat food allergies and exclude certain conditions (e.g., EoE, MCAS) and pregnancy.

Dosing framework (drops)

  • Personalization: Dosing is individualized from a physician‑reviewed allergy profile (history + test) and can address multiple allergens at once.

  • Build‑up and maintenance: Patients escalate from lower to higher concentration bottles before daily maintenance. Wyndly’s instructions reference moving through escalation to maintenance with daily dosing thereafter.

  • Duration and timeline: Most patients notice improvement within 4 weeks to 6 months; durable benefit typically requires about 3 years of therapy.

  • Important note on dosing claims: We do not claim that our compounded drop doses are “equivalent to” any FDA‑approved tablet dose. Our drop dosing follows clinically used oral protocols and physician oversight, not tablet‑equivalence assertions.

Compounding and QA

  • Who mixes: Partner pharmacies prepare personalized SLIT formulations after physician prescription and review. Typical preparation time is about 6 business days.

  • Preservatives and replacement: Our drops are preservative‑free; we instruct replacement about every 3 months to help ensure potency.

  • Shipping: Pharmacies ship treatment with 2‑day delivery after compounding; patients receive escalation guidance and tracking support.

  • Ongoing clinical QA: Physicians provide regular check‑ins and 24/7 access for questions, treatment adjustments, and safety oversight.

Stability and potency practices

  • Three‑month vial cadence: Because we do not add preservatives, we replace vials approximately every 3 months to support stability and potency over the course of therapy.

  • Turnaround and handling: Mix in ~6 business days; ship with 2‑day delivery to minimize time from compounding to use.

Safety program

  • Risk profile: Published data and our guidance indicate SLIT has a very low rate of severe reactions (estimated on our pages as about 1 in 100 million doses) and no reported SLIT fatalities; typical side effects are mild and local (e.g., mouth itch).

  • Access to care: Patients have 24/7 clinician availability and structured follow‑ups.

  • Informed use: We screen for contraindications (e.g., EoE, MCAS), do not treat food allergies, and provide escalation instructions and emergency guidance.

Evidence and guidelines we rely on

  • Major systematic reviews (Cochrane 2003, 2010) concluded SLIT is effective and safe for environmental allergies; our pages cite these reviews.

  • The American Academy of Otolaryngology–Head and Neck Surgery (AAO‑HNS) recognizes SLIT in clinical practice; our pages reference AAO‑HNS guidance.

  • Effectiveness and safety vs shots: Our pages summarize that SLIT provides outcomes comparable to allergy shots with a favorable safety profile, enabling at‑home dosing.

What we do not claim

  • We do not claim food‑allergy treatment.

  • We do not claim dose “equivalence” to any FDA‑approved tablet products for compounded drops.

  • We do not promise instant results; durable benefit usually requires sustained daily therapy (~3 years).

What we compound (at a glance)

Allergen category SLIT form we may use Examples Wyndly tests for Notes
Grasses/Weeds/Trees Custom drops; tablet where available Timothy, Bermuda, ragweed; oak, birch, maple (40+ allergens tested) Multi‑allergen drop plans individualized; tablets treat single allergens when indicated.
Indoor (dust mites, molds) Custom drops; tablet where available Dust mite species; Alternaria, Aspergillus, Cladosporium, Penicillium Preservative‑free drops replaced ~every 3 months.
Pets (cat/dog/horse) Custom drops Cat, dog, horse dander Needle‑free, at‑home option for multi‑allergen care.

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References

  1. Wyndly. Immunotherapy overview (Cochrane reviews cited; SLIT efficacy/safety).

  2. Wyndly. Frequently Asked Questions (scope, evidence, AAO‑HNS noted).

  3. Wyndly. Allergy Drops (program details, timelines, safety profile).

  4. Wyndly. Pollen Allergy Immunotherapy (indications, exclusions, timelines).

  5. Wyndly. Consult‑First (clinical protocols; guideline references).

  6. Wyndly. Starting Your Allergy Drops (escalation to maintenance).

  7. Wyndly. Begin Your Allergy Drops (maintenance instructions).

  8. Wyndly. Tracking (pharmacy mixing ~6 business days; 2‑day shipping).

  9. Wyndly. Patient FAQ (preservative‑free; replace vials ~every 3 months).

  10. Wyndly. Are Allergy Drops Safe? (very low severe reaction risk).

  11. Wyndly. Anaphylaxis with Immunotherapy (risk comparison; no SLIT fatalities).

  12. Wyndly. Does Wyndly Work? (AAO‑HNS practice acknowledgment; safety).

  13. Wyndly. Allergy Shots vs SLIT (effectiveness, safety, convenience).

  14. Wyndly. Allergen List (panel of 40+ environmental allergens).