Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

Eucalyptus Leaf Vanilla Flavor Ingredients & Drug Interactions

by TerraVita

Eucalyptus Leaf Vanilla Flavor label
See full label image
Liquid Category: Botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Eucalyptus Leaf Vanilla Flavor against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Moderate

Eucalyptus Leaf Vanilla Flavor is a dietary supplement by TerraVita with 1 active ingredient. Its ingredients are commonly taken for cough and chest congestion, colds and flu symptoms, stuffy nose.Based on those ingredients, 878 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Eucalyptus Leaf Glycerite Liquid Extract. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Eucalyptus Leaf Vanilla Flavor by TerraVita

Ask about any prescription or over-the-counter medication and we check it for interactions with Eucalyptus Leaf Vanilla Flavor by TerraVita — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
Prefer a human? Send your question to our licensed pharmacists — free, answered by email within 24 hours.

HelloPharmacist Scorecard of Eucalyptus Leaf Vanilla Flavor by TerraVita

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 11, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: eucalyptus leaf glycerite liquid extract. It's prepared as a liquid extract in glycerin with vanilla flavoring added for taste.

The glycerin and vanilla are inactive ingredients that serve as the base and flavoring.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use — see Eucalyptus's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: eucalyptus leaf extract for cough and respiratory health.
  • We looked for evidence on: Asthma, Bronchitis, Cough, Influenza, Rhinosinusitis, chest congestion — and 2 related terms.
  • The closest evidence on file: Eucalyptus is rated "Insufficient Reliable Evidence To Rate" for Bronchitis (Natural Medicines).
  • Also on file: Eucalyptus is rated "Insufficient Reliable Evidence To Rate" for Asthma, Cough, Influenza, Rhinosinusitis.

The evidence for eucalyptus isn't established in the data we hold. The facts list several potential uses—acne, asthma, bronchitis, burns, and cancer—but all are rated as having insufficient reliable evidence to rate.

That means we don't have solid data showing whether this product works for any of those purposes.

The evidence, ingredient by ingredient Eucalyptus

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Diluted eucalyptus is generally well tolerated when used in small amounts for inhalation or topical application, but the undiluted oil carries real risks if swallowed. Common side effects from oral use include diarrhea, nausea, and vomiting; topical use may cause burning, itching, redness, or stinging.

The undiluted oil can be poisonous—toxicity signs like central nervous system depression, shallow breathing, rapid heart rate, and in severe cases seizures or coma can occur at doses as low as 1 mL. There's also a rare risk of allergic reactions, including asthma flare-ups in people with a history of asthma or allergies.

During pregnancy and lactation, eucalyptus is rated as likely safe, though you should still confirm with your doctor before using it.

Side effects, ingredient by ingredient Eucalyptus

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Eucalyptus.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 879 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, double-check with your pharmacist if you take diabetes medications (risk of low blood sugar), any drugs processed by your liver's cytochrome P450 system (a very broad category including heart drugs, blood thinners, and many others), amphetamines, or pentobarbital. All are rated as Moderate-severity concerns.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Moderate medication interactions have been identified, and safety information is well characterized.

This product isn't recommended if you take multiple prescription medications that your liver processes—which is most people on regular medication. Even if you don't fit that category, the serious toxicity risk from undiluted eucalyptus oil and the lack of proven effectiveness for the listed conditions make it worth a close conversation with your pharmacist before you start.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Nov 22, 2022.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Eucalyptus Leaf Vanilla Flavor, straight from the product label.

Brand TerraVita
Barcode (UPC) 064434282456
Net contents 1 Fluid Ounce(s); 30 mL
Market status On market
Date entered into DSLD Nov 22, 2022
DSLD ID 280619
Product type Botanical
Supplement form Liquid
Dietary claims / uses All Other
Intended target group(s) Adult (18 - 50 Years)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Eucalyptus Leaf Vanilla Flavor by TerraVita, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
25 Drop(s)
Maximum serving Sizes:
40 Drop(s)
Servings per container
227
UPC/BARCODE
064434282456
IngredientAmount% DV
Eucalyptus Leaf Glycerite Liquid Extract0.13 mL--

Other ingredients: Glycerin, Vanilla flavor

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Brand IP Statement(s)

Copyright 2005 TerraVita - Distributed by ZooScape LLC, All Rights Reserved.

Formula

Vanilla flavored Glycerite liquid extract (1:5)

Formulation

Alcohol free

Suggested/Recommended/Usage/Directions

Suggested Use: Take 25-40 drops of extract in a small amount of warm water 3-4 times daily. Shake well before using.

Precautions

Keep away from children.

Do not use if safety seal around cap is broken or missing.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Eucalyptus Leaf Vanilla Flavor by TerraVita label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Eucalyptus Leaf Vanilla Flavor label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Eucalyptus Leaf Vanilla Flavor by TerraVita

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size25 Drop(s) Dosage formLiquid Servings per container227 Amounts shown are per serving.

Eucalyptus Leaf Glycerite Liquid Extract

Interacts with
878 drugs
0.13 mL per serving

Eucalyptus is best known for its strong-smelling oil used in vapor rubs, inhalants, and lozenges to ease coughs and congestion. It may provide mild, s...

Eucalyptus Leaf Glycerite Liquid Extract monograph & interactions

Other (inactive) ingredients: Glycerin, Vanilla flavor. These complete the product’s ingredient list but are not active constituents.

Interaction report

Eucalyptus Leaf Vanilla Flavor by TerraVita Drug Interactions

Want to check YOUR meds against Eucalyptus Leaf Vanilla Flavor?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
878Drugs
878 Moderate

Ingredients driving the most interactions

Eucalyptus Leaf Glycerite Liquid Extract 878

Individual Drug Interactions

The ingredients in Eucalyptus Leaf Vanilla Flavor interact with 878 drugs. Click any drug to see the details.

1 of the 1 ingredient in Eucalyptus Leaf Vanilla Flavor interact with drugs. Each result below shows which ingredient is responsible. Eucalyptus Leaf Glycerite Liquid Extract

Each ingredient & the kinds of drugs it affects

For each ingredient in Eucalyptus Leaf Vanilla Flavor with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Eucalyptus Leaf Glycerite Liquid Extract7 drug types · 878 drugs

Amphetamines

Theoretically, inhaling eucalyptol may reduce the effectiveness of amphetamines.
Animal research suggests that inhaling eucalyptol may reduce the levels of amphetamines in the blood.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, eucalyptus leaf might increase the risk of hypoglycemia.
Animal research suggests that eucalyptus leaf might have hypoglycemic activity, and might have additive effects when used with antidiabetes drugs.

Likelihood Possible Evidence D
Cytochrome P450 1A2 (Cyp1A2) Substrates

Theoretically, eucalyptus might increase the levels of CYP1A2 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP1A2, although this has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C19 (Cyp2C19) Substrates

Theoretically, eucalyptus might increase the levels of CYP2C19 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP2C19, although this has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, eucalyptus might increase the levels of CYP2C9 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP2C9, although this has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, eucalyptus might increase the levels of CYP3A4 substrates.
In vitro research suggests that eucalyptus oil might inhibit CYP3A4, although this has not been reported in humans.

Likelihood Possible Evidence D
Pentobarbital (Nembutal)

Theoretically, inhaling eucalyptol might reduce the effectiveness of pentobarbital.
Animal research suggests that inhaling eucalyptol reduces the level of pentobarbital that reaches the brain.

Likelihood Possible Evidence D
Eucalyptus Leaf Glycerite Liquid Extract full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Eucalyptus Leaf Vanilla Flavor, from the product label.

TerraVita

See all TerraVita products
Name
ZooScape LLC
Phone Number
844-449-0444
Web Address
www.ZooScape.com
Pharmacist Counseling Corner

Eucalyptus Leaf Vanilla Flavor by TerraVita: Common Questions

Does Eucalyptus Leaf Vanilla Flavor by TerraVita interact with any medications?
Yes. Based on its ingredients, Eucalyptus Leaf Vanilla Flavor has a known interaction with 878 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Eucalyptus Leaf Vanilla Flavor contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Can I use this if I'm pregnant or breastfeeding?
Eucalyptus is rated as likely safe during pregnancy and lactation. That said, always check with your doctor or pharmacist before starting any supplement during pregnancy or while breastfeeding, since they know your full health picture.
What side effects might I experience from this product?
Common effects from taking it orally include diarrhea, nausea, and vomiting. If you use it topically, you might notice burning, itching, redness, or stinging on the skin. Serious toxicity from the undiluted oil—including seizures, coma, and respiratory depression—can happen at very small doses, so don't exceed directions.
Does this actually work for asthma or bronchitis?
The evidence isn't established. All the uses listed on the label—asthma, bronchitis, acne, burns, and cancer—don't have reliable evidence supporting them yet. There's also a reported case of eucalyptus worsening asthma symptoms in someone who had a sensitivity to it, so if you have asthma, talk to your doctor first.
Is this product safe for my child?
There isn't enough reliable safety data for children. The label cautions to keep the oil away from babies. If you're thinking about giving this to a child, check with your pediatrician or pharmacist first.
Why does it matter that this is a liquid extract?
A liquid extract means the eucalyptus is concentrated, so you're getting a more potent form than you would from a dried herb or tea. That makes safety concerns—especially the risk of toxicity and liver interactions—more important to take seriously.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if Eucalyptus Leaf Vanilla Flavor is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Eucalyptus Leaf Vanilla Flavor label
Go deeper

The Full Monographs Behind Eucalyptus Leaf Vanilla Flavor’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Eucalyptus

Interacts with 878 drugs

Eucalyptus is best known for its strong-smelling oil used in vapor rubs, inhalants, and lozenges to ease coughs and congestion. It may provide mild, short-term relief of cold symptoms, but t...

Read the full Eucalyptus monograph →
Sources

Sources & How We Checked

Eucalyptus Leaf Vanilla Flavor's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 23 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Eucalyptus 23 references
  1. Electronic Code of Federal Regulations. Title 21. Part 182 -- Substances Generally Recognized As Safe. Available at: https://www.accessdata.fda.gov/scripts/cdrh/cfdocs/cfcfr/CFRSearch.cfm?CFRPart=182
  2. Unger M, Frank A. Simultaneous determination of the inhibitory potency of herbal extracts on the activity of six major cytochrome P450 enzymes using liquid chromatography/mass spectrometry and automated online extraction. Rapid Commun Mass Spectrom 2004;1 PubMed
  3. De Vincenzi M, Silano M, De Vincenzi A, et al. Constituents of aromatic plants: eucalyptol. Fitoterapia 2002;73:269-75. PubMed
  4. Gray AM, Flatt PR. Antihyperglycemic actions of Eucalyptus globulus (Eucalyptus) are associated with pancreatic and extra-pancreatic effects in mice. J Nutr 1998;128:2319-23. PubMed
  5. Whitman BW, Ghazizadeh H. Eucalyptus oil: therapeutic and toxic aspects of pharmacology in humans and animals. J Paediatr Child Health 1994;30:190-1. PubMed
  6. Barker SC and Altman PM. An ex vivo, assessor blind, randomised, parallel group, comparative efficacy trial of the ovicidal activity of three pediculicides after a single application--melaleuca oil and lavender oil, eucalyptus oil and lemon tea tree oil,
  7. Vilaplana, J. and Romaguera, C. Allergic contact dermatitis due to eucalyptol in an anti-inflammatory cream. Contact Dermatitis 2000;43(2):118.
  8. Juergens, U. R. [Reducing the need for cortisone. Does eucalyptus oil work in asthma? (interview by Brigitte Moreano]. MMW.Fortschr Med 3-29-2001;143(13):14.
  9. Tascini, C., Ferranti, S., Gemignani, G., Messina, F., and Menichetti, F. Clinical microbiological case: fever and headache in a heavy consumer of eucalyptus extract. Clin Microbiol.Infect. 2002;8(7):437, 445-437, 446. PubMed
  10. Galdi, E., Perfetti, L., Calcagno, G., Marcotulli, M. C., and Moscato, G. Exacerbation of asthma related to Eucalyptus pollens and to herb infusion containing Eucalyptus. Monaldi Arch.Chest Dis. 2003;59(3):220-221.
  11. Spoerke, D. G., Vandenberg, S. A., Smolinske, S. C., Kulig, K., and Rumack, B. H. Eucalyptus oil: 14 cases of exposure. Vet Hum.Toxicol 1989;31(2):166-168.
  12. Jori, A., Bianchetti, A., Prestini, P. E., and Gerattini, S. Effect of eucalyptol (1,8-cineole) on the metabolism of other drugs in rats and in man. Eur.J Pharmacol 1970;9(3):362-366. PubMed
  13. Tibballs, J. Clinical effects and management of eucalyptus oil ingestion in infants and young children. Med J Aust 8-21-1995;163(4):177-180. PubMed
  14. Webb, N. J. and Pitt, W. R. Eucalyptus oil poisoning in childhood: 41 cases in south-east Queensland. J Paediatr.Child Health 1993;29(5):368-371. PubMed
  15. Gyldenløve M, Menné T, Thyssen JP. Eucalyptus contact allergy. Contact Dermatitis. 2014;71(5):303-304. PubMed
  16. Higgins C, Palmer A, Nixon R. Eucalyptus oil: contact allergy and safety. Contact Dermatitis. 2015;72(5):344-346. PubMed
  17. de Groot AC, Schmidt E. Eucalyptus oil and tea tree oil. Contact Dermatitis. 2015;73(6):381-386. PubMed
  18. Greive KA, Barnes TM. The efficacy of Australian essential oils for the treatment of head lice infestation in children: A randomised controlled trial. Australas J Dermatol. 2018;59(2):e99-e105. PubMed
  19. Paulsen E, Thormann H, Vestergaard L. Eucalyptus species as a cause of airborne allergic contact dermatitis. Contact Dermatitis. 2018;78(4):301-303.
  20. Mathew T, John SK, Kamath V, et al. Essential oil related seizures (EORS): A multi-center prospective study on essential oils and seizures in adults. Epilepsy Res. 2021;173:106626. PubMed
  21. Dudipala SC, Mandapuram P, Ch LK. Eucalyptus Oil-Induced Seizures in Children: Case Reports and Review of the Literature. J Neurosci Rural Pract 2021;12(1):112-115. PubMed
  22. Panda PK, Sharawat IK, Panda P, Dawman L, Kasinathan A. Clinico-laboratory characteristics and outcome of patients with eucalyptus oil-induced/provoked seizures: A case series and systematic review of the published patients. Trop Doct 2021;51(4):518-522. PubMed
  23. Sai Chandar D, Prashanthi M, Laxman Kumar C, Amith Kumar C. Eucalyptus Oil-Induced Seizures in Children: A Single-Center Prospective Study. Cureus 2021;13(3):e14109. PubMed

See these in context on the Eucalyptus monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Supplement interaction checker › Check any supplement or product against your medications Drug–drug interactions › Check two or more of your medications against each other Browse medications A–Z › Every drug we've checked against herbs & supplements NDC & pricing lookup › Find a drug’s NDCs, packaging and costs Ask a pharmacist › Free, personal answer from our licensed team