Quello vs Curex

Quello or Curex? Two ways to get allergy drops at home

Both prescribe personalized allergy drops online and ship them to you. They differ on price structure, where they operate, food allergy, insurance and published research. Curex publishes this page, so every Quello figure links to Quello’s own site, with the date we read it.

Short answer

Quello and Curex both prescribe personalized sublingual allergy drops online and ship them to your door. Quello treats environmental allergies in 29 states, publishes a free test kit and first consultation, and charges one all-inclusive price of $297 a quarter or $999 a year, with no insurance billing. Curex is the largest telemedicine platform for allergy immunotherapy at home, treats environmental and food allergies in every state, can bill testing and consultations to insurance, and has a 2,897-patient published study of its patients (retrospective and Curex-authored). Both approaches are effective and generally safe; they fit different patients. Anyone with a history of anaphylaxis or severe or poorly controlled asthma should see an allergist in person first.

Written by Dr. Chet Tharpe, MD · Medically reviewed by Dr. Neeta Ogden, MD, FACAAI · Last reviewed September 2026 · Last verified: September 28, 2026

Side by side

What each publishes, as of September 28, 2026

Quello figures are from Quello’s own pages, read on September 28, 2026, with an archived copy of each. Where a figure is not published, the cell says so. Prices and policies change — confirm with each service before you enrol.

	Quello	Curex
What it is	An online allergy-drops practice for environmental allergies, founded by an ear, nose and throat physician (Quello about page)	The largest telemedicine platform for allergy immunotherapy at home; has provided services for over 50,000 patients for environmental and food allergies and related conditions
Treatment	Personalized sublingual allergy drops, typically three drops a day; no shots (Quello learn page)	Personalized sublingual drops, compounded and prescribed off-label from FDA-approved allergenic extracts. No tablets or shots
Allergies treated	Environmental; food allergy treatment is not listed (Quello learn page)	Environmental and food allergies
Testing	At-home finger-prick test for 40+ common environmental allergens; the kit and lab processing are free, shipping $12.99; results from the past two years accepted instead (Quello pricing, learn page)	IgE blood test by self-collection kit, at-home blood draw or a local lab; testing can be billed to insurance
Treatment price	$297 per quarter or $999 per year, including drops, unlimited follow-up visits and shipping; first consultation free; price locked for the length of the program; second and third family members $237 and $207 a quarter (Quello pricing)	Current plans at getcurex.com/pricing
Insurance and HSA/FSA	“We don’t bill medical insurance for anything”; treatment is HSA and FSA eligible (Quello pricing)	Testing and consultations can be billed to insurance; the drops are generally out-of-pocket; HSA/FSA eligible
Money-back guarantee	No money-back guarantee published; test kits are refundable only before they ship (Quello refund policy)	No money-back guarantee published
States	29 states, listed on the Quello learn page	Every state
Ages	4 and up (Quello learn page)	Not stated on this page; ask a Curex clinician
Clinicians	Founder Michael R. Menachof, MD, an ear, nose and throat physician and Fellow of the American Academy of Otolaryngic Allergy; three family nurse practitioners (Quello about page)	Medical Director Dr. Chet Tharpe, MD, board-certified in allergy and immunology; clinicians see patients by video visit or message
Course length	“Generally lasts four years” (Quello learn page)	Three to five years, the typical full course of immunotherapy
Published study of its own patients	Not published as of September 28, 2026	2,897-patient retrospective study, Frontiers in Allergy 2026 (PMID 42358593); single-arm, Curex-authored
Public ratings	Trustpilot 4.8 out of 5 from 193 reviews (read September 28, 2026); no BBB profile found	Trustpilot 4.3 out of 5 from 100 reviews; BBB rating C, not accredited (both read September 28, 2026)

Archived copies of the Quello pages, September 28, 2026: pricing, learn page, about page, refund policy. The 29 states are Arizona, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Michigan, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Ohio, Oklahoma, Oregon, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, Wisconsin and Wyoming. Trustpilot pages could not be archived; the figures are as displayed on the date shown. Ratings are aggregates only; we do not quote individual reviews.

Fair comparison

Where Quello is ahead

Curex publishes this page, so here is what Quello does better, from Quello’s own published pages and its public rating.

Quello
A free test kit and a free first consultation
You pay $12.99 shipping for the test kit; lab processing and the first consultation are free, so you can see your results and talk to a clinician before paying for treatment.
Source: Quello pricing
Quello
One all-inclusive price, locked in
Drops, unlimited follow-up visits and shipping in one quarterly or annual price that Quello says stays the same for the length of your program, with published family discounts.
Source: Quello pricing
Quello
Clear ages and reuse of recent results
Quello states it treats patients from age 4 and accepts allergy test results from the past two years.
Source: Quello learn page
Quello
A higher Trustpilot rating
4.8 out of 5 from 193 reviews, against Curex’s 4.3 from 100, both read on September 28, 2026.
Source: Trustpilot: Quello

Fit

Which one fits you

Both approaches are effective and generally safe; they fit different patients. Neither is a substitute for an in-person allergist when you need one.

Quello may fit you better if…

You live in one of its 29 states.Check the list before anything else.
You want one fixed, all-inclusive price.And to try the test and a consultation before paying for treatment.
Several people in your household need treatment.Quello publishes family discounts.

Curex may fit you better if…

You live outside Quello’s states.Curex treats patients in every state.
You also have a food allergy.Curex treats environmental and food allergies at home.
You want insurance to cover testing and visits.Quello does not bill insurance; see getcurex.com/pricing.
Published outcomes matter to you.Read the 2,897-patient study, and its limits, before deciding.

Evidence

What the research says about both

Quello and Curex both prescribe sublingual immunotherapy, the under-the-tongue form of allergy immunotherapy — the only treatment that retrains the immune system rather than masking symptoms. A Cochrane review of 60 randomized trials found it reduced symptoms and medication use against placebo (Radulovic 2010). Most of that evidence comes from single-allergen products; the 2017 AAAAI/ACAAI practice parameter declined to endorse customized aqueous drops on the evidence then available (PMID 28284533), which applies to drops from any provider.

Curex’s own study followed 2,897 adults and reported clinically meaningful improvement in 28% at 12 months and 45% at 24 months, adherence above 90%, and mostly mild side effects with no anaphylaxis reported (Tharpe 2026). It was retrospective, had no comparison group, counted only patients with at least a year of follow-up, and was written by Curex clinicians. Read it as real-world evidence, not as proof that one service works better than another.

Regulation

How allergy drops are regulated

Personalized allergy drops — from Quello, Curex or anyone else — are compounded and prescribed off-label, made from FDA-approved allergenic extracts, the same as in allergy shots; off-label does not mean unsafe or experimental. A small number of single-allergen sublingual tablets are FDA-approved.

Regulatory record

Personalized allergy drops, for environmental or food allergy, are made from FDA-approved allergenic extracts and prescribed off-label — a long-standing, legitimate practice that applies to every drops provider, not only Curex. Only a few single-allergen sublingual tablets are FDA-approved.

Has the FDA written to Curex about allergy drops? Once, in 2021: an untitled letter about how the drops were marketed. Curex changed its website, responded in April 2021, and has had no FDA correspondence about allergy drops since.

Does the 2025 FDA warning letter concern allergy drops? No. The September 2025 warning letter concerned marketing language for compounded GLP-1 weight-loss products; Curex made the requested changes.

Every letter and response: Curex and the FDA. The short version: Is Curex legit?

Safety

Before either service

Anyone with a history of anaphylaxis, severe or poorly controlled asthma, a suspected food or drug allergy, a young child, or someone who is pregnant should be evaluated by an allergist in person before starting any at-home immunotherapy. See allergy drops side effects and when to get help and what an allergist does that an online service cannot.

To compare more providers, including clinics, see allergy drops providers compared and Wyndly vs Curex. Curex’s current plans are on getcurex.com/pricing.

❓Frequently Asked Questions

Both prescribe personalized sublingual allergy drops online. As published on September 28, 2026, Quello treats environmental allergies in 29 states, offers a free test kit (shipping $12.99) and free first consultation, charges $297 a quarter or $999 a year all-inclusive, and does not bill insurance. Curex treats environmental and food allergies in every state, can bill testing and consultations to insurance, and has a published 2,897-patient study of its patients.

Quello publishes $297 per quarter or $999 per year, including drops, unlimited follow-up visits and shipping, with a free test kit ($12.99 shipping) and free first consultation (goquello.com, read September 28, 2026). Curex lists its current plans at getcurex.com/pricing. Confirm both before enrolling.

No. Quello’s site describes sublingual allergy drops only — three drops under the tongue a day — and says “no shots”. Curex also prescribes drops only.

As of September 28, 2026, Quello lists 29 states: Arizona, Colorado, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Louisiana, Michigan, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Ohio, Oklahoma, Oregon, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington, Wisconsin and Wyoming. Curex treats patients in every state.

Quello’s pricing page says it does not bill medical insurance for anything; treatment is HSA and FSA eligible. Curex can bill testing and consultations to insurance; the drops themselves are generally out-of-pocket, as they are with most providers.

On Trustpilot on September 28, 2026, Quello had 4.8 out of 5 from 193 reviews and Curex had 4.3 out of 5 from 100 reviews. Curex, Inc. carries a BBB rating of C and is not BBB accredited; we found no BBB profile for Quello.

Personalized allergy drops from either service are compounded and prescribed off-label, made from FDA-approved allergenic extracts; off-label does not mean unsafe or experimental. Only a few single-allergen sublingual tablets are FDA-approved.

If you experience sudden difficulty breathing, throat swelling, or other signs of anaphylaxis, call 911. A prescribed epinephrine auto-injector is the first-line treatment — not antihistamines.

This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider with questions about a medical condition. Content reviewed by board-certified allergists at Curex.

Curex publishes this page and is one of the two services compared. Quello figures are from goquello.com as read on September 28, 2026 (archived copies linked above); ratings from Trustpilot and BBB on the same date. They change and should be verified directly.

Sources and record

Where the facts come from

Sources

Last verified September 28, 2026. Last updated September 28, 2026 · next scheduled review December 2026.

Change log

September 28, 2026 — Published: Quello and Curex compared one to one; every Quello figure read on goquello.com on September 28, 2026 and archived on the Wayback Machine the same day (pricing 20260928115429, learn page 20260928115516, about page 20260928115541, refund policy 20260928115606). Author Dr. Chet Tharpe, MD; medical reviewer Dr. Neeta Ogden, MD.