Everything you need to feel confident.
Plain-English answers about how allergy drops work, what to expect, and who they fit — written and reviewed by board-certified allergists.
All 65 articles
Reviewed by allergists
How Do Allergy Drops Work? The Immunology of SLIT
How do allergy drops work? Under the tongue, immune cells sample the allergen and shift the body toward tolerance via Tr...
Are Allergy Drops Effective? Understanding the Evidence Quality
Are allergy drops effective? Yes, backed by over 100 clinical studies. We explain what the evidence shows and why it mat...
How To Get Allergy Drops: A Step-by-Step Guide
How to get allergy drops: complete allergy testing, get an allergist review, and receive a personalized extract shipped...
Do Allergy Drop Results Last After You Stop?
Do allergy drop results last after stopping? A completed SLIT course is disease-modifying and may provide lasting relief...
Allergy Drops With Asthma: Safety and Eligibility
Can you take allergy drops with asthma? Well-controlled asthma is usually compatible, but uncontrolled or severe asthma...
Who Is a Candidate for Allergy Drops?
Who is a candidate for allergy drops? People with confirmed aeroallergen-driven symptoms and no major contraindications....
Allergy Drops Not Working? Causes and What to Do Next
Allergy drops not working? Common causes include too little time, missed doses, and wrong allergens. Learn what to check...
Can You Swallow Allergy Drops? The Hold-Then-Swallow Method
Yes — most allergy drop (SLIT) protocols hold the liquid under the tongue 1-2 minutes, then swallow. Here's why the subl...
How to Store Allergy Drops (SLIT) Correctly
How to store sublingual allergy drops: most need refrigeration, kept upright, away from heat and light. Tips for fridge...
Allergy Serum Drops: What the Extract Actually Is
Allergy serum drops are a personalized, compounded allergen extract taken under the tongue. Learn what the serum is, how...
Allergy Drops for Adults: Sublingual Immunotherapy in Adult Care
Allergy drops for adults: how sublingual immunotherapy fits adult life, managing concurrent medications and comorbiditie...
Do Allergy Drops Taste Bad?
Allergy drops (SLIT) sit in a glycerin base and taste mildly sweet or neutral for most people, sometimes faintly salty....
Allergy Drops for Seniors: Sublingual Immunotherapy in Older Adults
Allergy drops for older adults: managing comorbidities and polypharmacy, the beta-blocker conversation, and how seniors...
Are Allergy Drops FDA Approved? The Off-Label Explainer
Are allergy drops FDA approved? No. Custom allergy drops are used off-label in the U.S. Only certain SLIT tablets are FD...
Allergy Drops for Toddlers: Why Providers Usually Wait
Allergy drops for toddlers: why sublingual immunotherapy is usually deferred for children under five, what providers wei...
Allergy Drops First Dose: How Supervision Works
Is the first dose of allergy drops taken in office? Learn how first-dose supervision works for sublingual immunotherapy...
Under the Tongue Allergy Drops: How They Work and How to Take Them
Under-the-tongue allergy drops are immunotherapy you take daily at home. Learn how to hold and dose them, why the route...
What If You Miss a Dose of Allergy Drops?
What to do if you miss a dose of allergy drops: one missed day is rarely a problem. Follow your provider's instructions...
Allergy Drops: Buildup vs Maintenance Phase
Allergy drops buildup vs maintenance: how escalation raises your dose, how maintenance holds it steady, and what changes...
Oral Allergy Drops: Clearing Up a Confusing Term
Oral allergy drops usually mean sublingual immunotherapy under the tongue, not oral immunotherapy (OIT) or oral allergy...
Allergy Drops and Alcohol: What to Know
Can you drink alcohol while taking sublingual allergy drops? Moderate drinking is generally fine, but timing and your pr...
Allergy Drops: Morning or Night?
Should you take allergy drops in the morning or at night? Consistency matters more than the exact time. Pick a daily slo...
Eating and Drinking After Allergy Drops: The Wait Rule
Wait about 5 minutes before eating or drinking after allergy drops so the under-the-tongue extract can absorb. Here's th...
Allergy Testing Before Drops: Why It Comes First
Why allergy testing comes before drops: testing identifies your IgE triggers so immunotherapy targets the right allergen...
Allergy Drops While Breastfeeding: What the Evidence Suggests
Allergy drops while breastfeeding: the provider-led decision, why data are limited, and how continuing or starting subli...
Allergy Drops While Sick: When to Pause Dosing
Should you take allergy drops when sick, with a fever or mouth sores? General guidance on when to keep dosing and when t...
Allergy Drops Before Surgery or Dental Work
Should you take allergy drops before surgery or dental work? General guidance on pausing around anesthesia and oral proc...
How Long Are Allergy Drops Good For?
How long do allergy drops last? Sublingual extract typically carries an expiration date of months, set by the pharmacy....
Allergy Drops and an Itchy Mouth: Is It Normal?
An itchy mouth after allergy drops is the most common, expected sensation in SLIT and usually fades as your body adjusts...
Allergy Drops Age Limit: Who Is Old Enough, and Is There a Maximum?
Is there an age limit for allergy drops? How allergists weigh age for SLIT in children and older adults, and why it is p...
Allergy Drops and Eosinophilic Esophagitis (EoE), Explained
What is eosinophilic esophagitis (EoE), and can allergy drops cause it? A plain-language explainer on this rare risk and...
Allergy Drops: A Complete Guide to Sublingual Immunotherapy
Allergy drops (sublingual immunotherapy) are daily under-the-tongue extracts that retrain your immune system. See who th...
Prescription Allergy Drops: Why a Prescriber Is Required
Are allergy drops prescription only? Yes. Learn why sublingual immunotherapy needs a prescriber and how a telehealth all...
At-Home Allergy Drops: The Full Online Treatment Model
At-home allergy drops let you test, get an allergist review, and treat allergies daily from home. See how online subling...
Allergy Drops for Dust Mites: Year-Round Sublingual Immunotherapy
Allergy drops for dust mites (SLIT) treat perennial house dust mite allergy with daily under-the-tongue dosing year-roun...
How Many Drops in Sublingual Immunotherapy?
How many drops in sublingual immunotherapy? The count varies by protocol, concentration, and provider. Learn how your dr...
Allergy Drops and Other Medications
Do allergy drops interact with other medications? An overview of beta-blockers, ACE inhibitors and why your provider rev...
Sublingual Immunotherapy (SLIT): The Complete Guide
Sublingual immunotherapy (SLIT) treats allergies under the tongue. Learn how it works, the difference between drops and...
SLIT Allergy Treatment: What the Acronym Means
SLIT stands for sublingual immunotherapy: allergy treatment taken under the tongue. Learn what SLIT means, what it treat...
Allergy Drops for Food Allergies: Understanding Food SLIT
Allergy drops for food allergies (food SLIT) use tiny daily under-the-tongue doses. How it differs from OIT, the limited...
What Is Sublingual Immunotherapy? A Clinical Definition
Sublingual immunotherapy (SLIT) is allergy treatment taken under the tongue as drops or tablets to build tolerance to al...
Do Allergy Drops Work? The SLIT Evidence and What to Expect
Do allergy drops work? Over 100 clinical studies show SLIT reduces allergy symptoms, including a JAMA 2013 review of 63...
Allergy Drops Reviews: What Patients Commonly Report
Allergy drops reviews: what patients commonly report on relief, side effects, and timelines, read alongside over 100 cli...
What Is Allergy Immunotherapy? An Educational Overview
Allergy immunotherapy retrains the immune system to react less to triggers, given as shots (SCIT) or under-the-tongue dr...
What Happens If You Stop Allergy Drops?
Stopping allergy drops early usually means symptoms return; finishing the full 3-5 year SLIT course builds longer-lastin...
Traveling With Allergy Drops: Flying and Staying on Schedule
Can you fly with allergy drops? Yes. How to pack sublingual allergy drops, keep them cool, get through TSA, and stay on...
Allergy Drops Near Me: Why You May Not Need a Local Clinic
Looking for allergy drops near me? Modern sublingual immunotherapy ships to your door via telehealth, so you may not nee...
Allergy Drops for Kids: A Parent's Guide to Sublingual Immunotherapy
Allergy drops (sublingual immunotherapy) for children: how they work, tolerability, the caregiver's role, and what age p...
Allergy Immunotherapy Drops: Treating the Cause, Not the Symptom
Immunotherapy drops treat the allergy itself, not just symptoms. Learn how allergy immunotherapy drops differ from antih...
How Does SLIT (Sublingual Immunotherapy) Work?
How does SLIT work? Sublingual immunotherapy uses daily under-the-tongue allergen doses to gradually shift the immune sy...
Allergy Drops While Pregnant: What to Know About SLIT in Pregnancy
Allergy drops in pregnancy: why immunotherapy is usually continued, not started, plus the safety considerations to discu...
Swallow or Spit Allergy Drops? What Most Protocols Do
Most allergy drop (SLIT) protocols have you swallow after holding under the tongue, not spit. Here's the swallow vs spit...
How Long Do Allergy Drops Take to Work? The Full SLIT Timeline
How long do allergy drops take to work? Many notice easing in the first season, with durable benefit over 3 to 5 years....
How to Take Allergy Drops: A Step-by-Step Guide
Learn how to take allergy drops correctly: place under the tongue, hold about 2 minutes, avoid eating or drinking right...
How Long Do You Take Allergy Drops? Course Length Explained
How long do you take allergy drops? Most SLIT courses run 3 to 5 years, with durable benefit needing at least 3 years of...
Allergy Drops Success Rate: Why a Single Number Is Misleading
What is the allergy drops success rate? There is no single number. We explain why ranges are more honest and what the SL...
Allergy Drops for Pollen: A Guide to Seasonal Sublingual Immunotherapy
Allergy drops for pollen (SLIT) target tree, grass, weed, and ragweed allergens. See when to start, what the evidence sh...
Allergy Drops With Antihistamines: Can You Take Both?
Can you take antihistamines with allergy drops? Usually yes, and they are often complementary. How they work together an...
What Are Allergy Drops? A Plain-Language Definition
What are allergy drops? A liquid allergen extract taken under the tongue that treats the cause of allergies, unlike anti...
Sublingual Allergy Drops: What Sublingual Really Means
Sublingual allergy drops go under the tongue, not in your eyes. Learn what sublingual means, how the route works, and ho...
Allergy Drops Dosage: How It Works
How allergy drops dosage works: a gradual build-up to a steady maintenance dose set by your provider. Why concentration...
Sublingual Immunotherapy Effectiveness: The Clinical Evidence
Sublingual immunotherapy effectiveness: over 100 clinical studies support it, including a Cochrane symptom SMD of -0.49...
Allergy Drops for Pet Dander: An Honest Look at Cat and Dog SLIT
Allergy drops for pet dander (SLIT) target cat and dog allergen with daily under-the-tongue dosing. An honest look at th...
Allergy Drops for Mold: Sublingual Immunotherapy for Fungal Allergens
Allergy drops for mold (SLIT) target fungal allergens with daily under-the-tongue dosing. Learn the compounding challeng...
Allergy Drops Anaphylaxis Risk: Setting Realistic Expectations
What is the allergy drops anaphylaxis risk? It is exceptionally rare with SLIT, about 1 per 100 million doses, with no r...
Allergy relief — drops under the tongue.
Curex allergy drops are a personalized sublingual extract designed by a board-certified allergist and shipped to your door — taken daily at home with no needles and no routine clinic visits. From $59/month with insurance, or $99/month self-pay. HSA/FSA eligible.
From $59/mo with insurance · No needles · HSA/FSA eligible · Cancel anytime
Allergy drops are compounded at a specialty pharmacy for each patient, and the FDA does not review compounded products for safety or efficacy.