How Many Drops in Sublingual Immunotherapy?
There is no universal number of drops for sublingual immunotherapy. The count depends on your protocol, the concentration of your extract, which allergens you are treating, and your treatment phase. Because liquid drops are compounded and used off-label, your provider sets the exact number per dose, which can change as you move from build-up to maintenance.
4 peer-reviewed sources
It varies. The number of drops per dose depends on the concentration, your allergens, and your phase of treatment. Your provider prescribes the exact count, so follow their instructions rather than a generic figure.
Medically reviewed by Dr. Chet Tharpe, M.D. ยท Last reviewed June 2026
Key facts
There is no universal number of drops for sublingual immunotherapy; liquid drops are compounded individually, so the count depends on concentration, allergens, and treatment phase.
Doses are typically lower during the build-up phase and increase gradually toward a steady maintenance level.
Unlike compounded liquid drops, FDA-approved sublingual tablets such as Grastek, Oralair, Ragwitek, and Odactra come in fixed, standardized single-allergen strengths.
Allergy drops are compounded at a specialty pharmacy for each patient. The FDA does not review compounded products for safety or efficacy. The exact drop count is set by the prescribing clinician.
Why There's No Single "Right" Number of Drops
People often expect a fixed answer to how many drops sublingual immunotherapy requires, but in practice the number varies a great deal. Liquid allergy drops are compounded individually, so the count per dose depends on the concentration of your extract, which allergens are included, and where you are in your treatment course. A more dilute solution may call for a different number of drops than a stronger one to deliver a comparable amount of allergen, and the count can change as you progress from the early build-up phase toward maintenance. This is very different from FDA-approved sublingual tablets, which come in fixed, standardized strengths. Liquid drops are used off-label and are not FDA-approved, so there is no standardized drop count that applies to everyone. Before treatment begins, the first step is identifying your triggers; Curex offers at-home allergy testing to pinpoint your specific IgE allergens so the extract, and therefore your dosing, can be personalized, with Curex drop plans starting at $39/month with insurance (or $99/month self-pay). From there your provider determines the exact number of drops per dose. This page explains how that number is set in general terms; it is not a self-dosing instruction, so always take the amount your provider prescribes.
Drop count is individualized to your concentration, allergens, and phase, set by your provider, not a fixed universal number.
What Determines the Number of Drops
The number of drops in a dose is really a way of delivering a target amount of allergen. Two things drive it: the concentration of the extract and how much total allergen the protocol calls for at that stage of treatment. During build-up, the concentration or count is kept low and increased gradually so the immune system can adjust. As you reach maintenance, the dose settles at the level needed to sustain tolerance. Because each person's extract and target dose differ, the same number of drops can mean different things for different patients, which is exactly why the count is a clinical decision rather than a fixed figure. It also means that comparing your prescription with someone else's can be misleading even when you are treating similar allergies, since their concentration and stage of treatment may be entirely different. The figure that matters is the one written for your specific drops.
Concentration of the extract
A dilute extract may require a different number of drops than a concentrated one to deliver the same amount of allergen. Concentration is set when your drops are compounded.
Your treatment phase
The count or concentration is typically lower early in build-up and increases gradually toward a steady maintenance dose. So the number can change over time.
Your provider's protocol
Which allergens you treat and your individual plan shape the prescribed dose. Your clinician sets the exact number of drops, and you should follow it rather than a generic count.
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Allergy drops are compounded at a specialty pharmacy for each patient, and the FDA does not review compounded products for safety or efficacy.
See if allergy drops are right for youFrequently asked questions
How many drops of sublingual immunotherapy do you take per dose?
There is no single answer, because the number of drops depends on your extract's concentration, the allergens being treated, and your phase of treatment. Liquid allergy drops are compounded individually and used off-label, so the count is personalized rather than standardized. During the build-up phase the amount is usually lower and increases over time, while maintenance settles on a steady dose. Because of this, a drop count that is correct for one person may be wrong for another. The reliable source for your dose is the prescription and instructions from the clinician who treats you. Always take the exact number of drops your provider specifies rather than a figure found online.
Why does the number of allergy drops vary between people?
The number varies because each person's extract and treatment plan are different. Drops are compounded to target an individual's specific allergens, and the concentration of the solution can differ, so the same dose of allergen may require a different number of drops for different people. Treatment phase also matters: counts are typically lower during build-up and higher at maintenance. Since liquid drops are used off-label and are not standardized like FDA-approved tablets, providers set the count individually based on what each patient needs and tolerates. This personalization is normal and expected. It also means you should not assume your dose matches someone else's, even if you are treating similar allergies.
Does taking more drops make sublingual immunotherapy work better?
Reaching an adequate maintenance dose does appear important for effectiveness, since the immune changes behind sublingual immunotherapy are dose-dependent. But taking more drops than prescribed is not a way to improve results and can increase the risk of local or other reactions. The prescribed count is designed to deliver the right amount of allergen for your extract's concentration and your treatment phase, so adding drops on your own changes the dose in ways your provider did not intend. If you feel your treatment is not working, the right step is to discuss it with your clinician, who can assess your dose and adherence, rather than increasing the number of drops yourself.
How is the drop count different for tablets versus liquid drops?
FDA-approved sublingual tablets are dosed as fixed, standardized units, one tablet of a defined strength, targeting a single allergen, so there is no drop count involved. Liquid allergy drops are compounded, can include multiple allergens, and are measured in drops whose number depends on concentration and protocol. Because drops are used off-label and individualized, the count is set by the prescribing clinician rather than printed on an approved label. This is a key practical difference between the two forms of sublingual immunotherapy. If you are weighing tablets against drops, your provider can explain how dosing, the allergens covered, and insurance coverage differ for each in your case.
Why can't I just follow a drop count I found online?
A drop count found online is unlikely to match your treatment because it almost certainly refers to a different extract, concentration, and protocol. Since liquid allergy drops are compounded individually, the number of drops only translates into a meaningful dose when paired with the concentration of your specific solution and the stage of treatment you are in. The same count can represent very different amounts of allergen for different people. Following a generic figure could mean taking too little to be effective or more than your provider intended, which can raise the chance of a reaction. Because drops are used off-label and personalized, the reliable source for your dose is the prescription and instructions from the clinician treating you, not a number from an unrelated source.
Does the number of drops change as treatment goes on?
It can. Early in treatment, during the build-up phase, the count or concentration is generally kept low and increased gradually so the immune system can adjust. As you move toward maintenance, the dose settles at a steady level intended to sustain tolerance. So the number of drops you take at the start may differ from what you take later on, depending on how your provider structures escalation and what concentration your extract uses. These changes are planned and directed by your clinician rather than something you adjust yourself. Because drops are individualized and used off-label, there is no universal schedule for how the count changes; your prescribing provider sets and updates it based on your protocol and how you tolerate each step.
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Allergy drops are compounded at a specialty pharmacy for each patient, and the FDA does not review compounded products for safety or efficacy.
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.
Allergy drops are compounded at a specialty pharmacy for each patient, and the FDA does not review compounded products for safety or efficacy.
The only FDA-approved sublingual immunotherapy products are tablets โ Grastek, Oralair, Ragwitek, and Odactra โ which are different from Curex drops.