Drug & supplement interaction

Oregano + Albuterol

Albuterol brand names: Proventil, Volmax, Ventolin (U.S.), ProAir HFA.

No Known Interaction

Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated July 2026 · Pair last verified Sep 13, 2026

The bottom line No known interaction

We found no known interaction between Oregano and Albuterol in our sources. Absence of a documented interaction is not the same as proven safety, and does not guarantee one does not exist. Do not start, stop, or change a medication or supplement based on this page; confirm with your pharmacist or doctor first.

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Interaction report

Oregano and Albuterol

We checked these two against our interaction database. Here is what we found.

No Known Interaction Found

We did not find a documented interaction between Albuterol and Oregano in our sources. This does not guarantee that the combination is completely free of risk — there is often limited research on supplements and herbal products, especially around drug interactions.

If you decide to take both, the practical routine is simple: add one new thing at a time and note the date you started it. If the combination is going to disagree with you, it usually shows in the first days to a couple of weeks — and a start date turns “I’ve been feeling off” into something a pharmacist can actually work with. Do not stop a prescribed medicine on your own.

Always talk with your pharmacist or doctor before making changes to your medications or supplements, particularly if you take several medications or have an ongoing health condition.

Oregano safety at a glance

Oregano overall Use caution Safe as a food, but concentrated oregano oil supplements are stronger and less studied.

Pregnancy Possibly Unsafe When used orally in medicinal amounts. Oregano is thought to have abortifacient and emmenagogue effects. Read the full pregnancy detail

Breastfeeding Use caution Stick to normal food amounts; safety of supplements while breastfeeding is not established.

Pregnancy & breastfeeding ratings are from Natural Medicines (Therapeutic Research Center) — the full detail is in the Special populations card below. Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Pharmacist analysis

Oregano (and oregano oil) supplements are generally considered safe and there is no indication that there is an interaction between the drug highlighted in this interaction monograph and oregano.

However, as with all supplements, it is important to talk to your doctor before starting anything new, so you can be appropriately monitored.

In terms of drug interactions that have been reported with oregano, below are some examples.

Anticoagulant; Antiplatelet Drugs

Anticoagulants and antiplatelet drugs work by slowing down or preventing blood clotting. While they are essential medications for individuals with certain conditions, they come with an increased risk of bleeding.

Some studies have reported that oregano oil may also increase the risk of bleeding, as it contains compounds that have antithrombin activity and can inhibit platelet aggregation.

Therefore, taking oregano oil along with anticoagulants or antiplatelet drugs may increase the risk of bleeding, bruising, and other adverse effects.

Anti-Diabetic Drugs

Several studies suggest that oregano supplements may help lower blood glucose (i.e., sugar) levels. In vitro and animal research has shown that oregano extracts might stimulate glucose uptake and reduce blood glucose levels.

Therefore, based on the available evidence, combining oregano oil with antidiabetic drugs could potentially cause blood sugar levels to drop too low, leading to hypoglycemia.

However, it is important to note that studies reporting that oregano can reduce blood glucose levels have not reported it causing hypoglycemia.

References

Anti-hyperglycaemic activity of the aqueous extract of Origanum vulgare growing wild in Tafilalet region. PubMed
Inhibitory effect of clonal oregano extracts against porcine pancreatic amylase in vitro. PubMed
Antithrombin activity of some constituents from Origanum vulgare. PubMed
Comparative screening of plant essential oils: phenylpropanoid moiety as basic core for antiplatelet activity. PubMed

— Dr. Brian Staiger, PharmD, BCPS

Still wondering about combining Albuterol and Oregano? Ask Dr. Brian Staiger, PharmD, BCPS directly ›

How we checked

Why No Interaction Is Listed for Albuterol

Interactions in our licensed database are recorded against drug classes, not just single drug names. Albuterol is filed under 2 classifications — beta-adrenergic agonists, oral drugs. Oregano has documented interactions with 2 drug classes — the most serious being anticoagulant/antiplatelet drugs (moderate) and antidiabetes drugs (moderate) — and none of Albuterol’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Oregano Does Interact With Other Medications

Oregano has 208 moderate known drug interactions in our database — Albuterol isn’t one of them. If you take anything else, check it against the full list below.

Moderate 208 No known interaction 2,622 (incl. Albuterol)

Taking anything else?

Check Another of Your Medications Against Oregano

Covers the 2,830 medications we’ve checked against Oregano. Pick one to open its full report.

What to actually watch for

What Oregano Itself Has Been Linked To

This is not an interaction — nothing below involves Albuterol. It is the side-effect record for Oregano on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Oregano, this list is the first place to look. 2 entries are worth acting on rather than waiting out — marked below.

A severe allergic reaction Worth acting on Additional detail

“Orally, oregano is well tolerated when used in amounts typically found in foods. There is currently a limited amount of information available about the safety of oregano when used in larger amounts as medicine.

Most Common Adverse Effects:

Orally: Gastrointestinal upset.

Topically: Dermatitis in sensitive individuals.

Serious Adverse Effects (Rare):

Orally: Systemic allergic reactions, including anaphylaxis, in sensi…”

Oregano · Natural Medicines adverse-effect record, reported in dermatitis.
An allergic reaction Worth acting on Additional detail
“Systemic allergic reactions have been reported with oregano. A 45-year-old male developed pruritus, respiratory difficulty, hypotension, swelling of the lips and tongue, and facial edema after ingesting pizza seasoned with oregano. He had 2 similar episodes after ingesting foods seasoned with thyme, another member of the Lamiaceae family.”

Oregano · Natural Medicines adverse-effect record, reported in hypotension.
1 source cited

3705. Benito M, Jorro G, Morales C, et al. Labiatae allergy: systemic reactions due to ingestion of oregano and thyme. Ann Allergy Asthma Immunol 1996;76:416-8. PubMed
Low blood pressure / Itching / Swelling Additional detail

Recorded for Oregano in the same Natural Medicines adverse-effect record shown under An allergic reaction above.
Stomach upset Additional detail

Recorded for Oregano in the same Natural Medicines adverse-effect record shown under A severe allergic reaction above.
A skin rash Additional detail
“Oregano has been reported to cause allergic contact dermatitis. Topically, oregano oil in concentrations of greater than 1% has been reported to cause irritation when applied to mucous membranes.”

Oregano · Natural Medicines adverse-effect record, reported in dermatitis.
3 sources cited

46902. Futrell, J. M. and Rietschel, R. L. Spice allergy evaluated by results of patch tests. Cutis 1993;52(5):288-290.

67348. Ragi, J., Pappert, A., Rao, B., Havkin-Frenkel, D., and Milgraum, S. Oregano extract ointment for wound healing: a randomized, double-blind, petrolatum-controlled study evaluating efficacy. J.Drugs Dermatol. 2011;10(10):1168-1172.

88188. Singletary K. Oregano: overview of the literature on health benefits. Nutrition Today 2010;45(3):129-38.

Everything above comes from the Natural Medicines adverse-effect record for Oregano — expand a row for the licensed statement it rests on. We haven’t matched Albuterol to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Albuterol.

Special populations

Oregano in Pregnancy & Breastfeeding

Pregnancy Possibly Unsafe

When used orally in medicinal amounts. Oregano is thought to have abortifacient and emmenagogue effects.

DISCLAIMER: This tool is intended for informational purposes only, and should not be interpreted as specific medical advice. Patients should consult with a qualified healthcare provider before making decisions about therapies and/or health conditions.© 2026 Therapeutic Research Center

Overlapping uses

What Albuterol Is Prescribed For, and What Oregano Has Been Studied For

These two come up together because they touch the same health topic — not because they do the same job. Albuterol is a prescription medicine with approved uses on its FDA label. Oregano is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.

Albuterol is prescribed for: Albuterol is used to treat or prevent bronchospasm — sudden tightening of the airways — in adults and children with reversible obstructive airway disease, such as asthma. Most inhaled formulations (HFA inhalers, dry-powder inhalers, and nebulizer solutions) are approved for patients 4 years and older, though some nebulizer solutions are approved for children as young as 2, and the oral syrup covers adults and children 2 and older. Albuterol tablets are approved for adults and children 6 and older. Albuterol inhaled products are also used to prevent exercise-induced bronchospasm in patients 4 years and older.

Read the rest of what Albuterol is prescribed for

The inhaled aerosol solution (0.5%) is approved specifically for relief of bronchospasm and acute attacks in patients 12 and older. Not every formulation covers every use — follow the instructions for the specific product you have been prescribed.

Oregano has been studied for:

Asthma studied, not established Oregano has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows

Oregano for asthma

Although there has been interest in using oral oregano for asthma, there is insufficient reliable information about the clinical effects of oregano for this purpose.

Effectiveness ratings and the research summaries above are the verbatim record from the Natural Medicines database, which grades evidence from “Effective” down to “Insufficient Reliable Evidence To Rate”. A rating below the top of that scale means researchers have looked at it — not that it works, and never that it can stand in for a prescribed medicine. Do not stop or replace Albuterol on your own; if you are taking Oregano for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.

From our Q&A

Questions About Oregano or Albuterol

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Oregano or Albuterol, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Albuterol

This page covers Oregano only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Albuterol page lists 32 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Black Tea (moderate), Caffeine (moderate), Cocoa (moderate) and Coffee (moderate).

By severity: 1 major · 22 moderate · 9 minor.

From our pharmacist’s overview on the Albuterol page

“Albuterol is a rescue drug; when an asthma attack hits, a Ventolin or ProAir inhaler has to work, which is why this list deserves a careful read rather than a skim. Of the 32 ingredients on file, activated charcoal alone is rated major, since it can soak up the drug and blunt its effect no matter how the albuterol was taken.”

Reviewed by 2 · Jul 18, 2026

Open the Albuterol interaction page

One more smart check

Taking Oregano as Part of a Dietary Supplement Product? Check It for Interactions

We hold 1,632 real supplement products containing Oregano, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Oregano. Even though Oregano itself has no known interaction with Albuterol, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Oregano and Albuterol Sit Against Everything Else

Out of every supplement and medication people look up on HelloPharmacist, here is where these two land this week — and which way each has been moving.

Supplement Oregano

Top 10%

#140 of 1,452 supplements looked up here in the last 7 days

29 days ago today

Medication Albuterol

Steady interest

#1,922 of 2,830 medications looked up here in the last 7 days

29 days ago today

Position among everything looked up on this site, not a measure of how commonly either one is used or how important it is. A supplement can climb this list because of a news story. It counts every request to the page, automated ones included, and nothing here identifies anyone.

Where does our data come from?

Source: the Natural Medicines (TRC Healthcare) clinical database — the evidence-graded professional reference for herb & supplement interactions.
Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Oregano reference on this page ↓
Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Oregano and Albuterol records this page draws on were last updated July 11, 2026.
What “no known interaction” means: no documented interaction in the sources above — not a guarantee of safety. Supplements are studied far less than prescription drugs, so we say exactly what the evidence supports, and nothing more.

Data structure & sourcing designed and verified by Dr. Brian Staiger, PharmD, BCPS.

Supplement

About Oregano

What is Oregano?

Digestive upset
Respiratory and cold symptoms
Antimicrobial support
Intestinal parasites
Skin and fungal concerns

Oregano is a common Mediterranean cooking herb that is also sold as a concentrated oil or supplement, often standardized for a compound called carvacrol. While lab studies suggest it may have antimicrobial and antioxidant properties, strong human evidence for treating any specific health condition is limited. Used as a food, oregano is very safe; concentrated oregano oil supplements should be used cautiously and discussed with your pharmacist or doctor.

Origanum vulgare · Lamiaceae · Leaves and essential oil · Culinary herb, tea, capsules, softgels, liquid oil (oil of oregano), tinctures

An interaction check asks whether these two react with each other — it does not ask whether Oregano is a good idea for someone in your situation. Here is what our Oregano record says about it on its own.

Oregano: dosing

There is no official, well-established dose for oregano supplements. Products vary widely in strength and in how much carvacrol they contain, so it is hard to compare them.The safest approach is to follow the directions on the product label and not exceed the recommended amount.

From our Oregano monograph — the full record covers uses, side effects and every documented interaction.

Read the full Oregano monograph & all interactions

Medication

About Albuterol

What Is Albuterol Used For?

Brand names: Proventil, Volmax, Ventolin (U.S.), ProAir HFA

Albuterol is used to treat or prevent bronchospasm — sudden tightening of the airways — in adults and children with reversible obstructive airway disease, such as asthma. Most inhaled formulations (HFA inhalers, dry-powder inhalers, and nebulizer solutions) are approved for patients 4 years and older, though some nebulizer solutions are approved for children as young as 2, and the oral syrup covers adults and children 2 and older. Albuterol tablets are approved for adults and children 6 and older.

Albuterol inhaled products are also used to prevent exercise-induced bronchospasm in patients 4 years and older. The inhaled aerosol solution (0.5%) is approved specifically for relief of bronchospasm and acute attacks in patients 12 and older. Not every formulation covers every use — follow the instructions for the specific product you have been prescribed.

See full Albuterol drug information

Keep checking

Other Drugs & Oregano

Browse every other medication we’ve checked against Oregano — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major

208Moderate

0Minor

2,621No known interaction

208 Moderate 2,621 No interaction

Moderate

208 interactions

Showing 60 of 208 moderate interactions — see all 208 on the Oregano page.

No interaction 2,621 drugs checked — show the list

We also checked Oregano against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,621 medications checked with no known interaction — see the full Oregano list.

See the full Oregano interactions page

See every supplement checked against Albuterol, ranked by severity

Evidence & sources

Oregano References

The 12 references that drive our Oregano monograph and interaction data, from the evidence-graded Natural Medicines (TRC Healthcare) database. Citations with a link open the study on PubMed or the publisher’s site.

Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
Benito M, Jorro G, Morales C, et al. Labiatae allergy: systemic reactions due to ingestion of oregano and thyme. Ann Allergy Asthma Immunol 1996;76:416-8. PubMed
Chevallier A. Encyclopedia of Herbal Medicine. 2nd ed. New York, NY: DK Publ, Inc., 2000.
Ciganda C, and Laborde A. Herbal infusions used for induced abortion. J Toxicol.Clin Toxicol. 2003;41:235-239. PubMed
Futrell, J. M. and Rietschel, R. L. Spice allergy evaluated by results of patch tests. Cutis 1993;52(5):288-290.
Tognolini, M., Barocelli, E., Ballabeni, V., Bruni, R., Bianchi, A., Chiavarini, M., and Impicciatore, M. Comparative screening of plant essential oils: phenylpropanoid moiety as basic core for antiplatelet activity. Life Sci. 2-23-2006;78(13):1419-1432. PubMed
Goun, E., Cunningham, G., Solodnikov, S., Krasnykch, O., and Miles, H. Antithrombin activity of some constituents from Origanum vulgare. Fitoterapia 2002;73(7-8):692-694. PubMed
Lemhadri, A., Zeggwagh, N. A., Maghrani, M., Jouad, H., and Eddouks, M. Anti-hyperglycaemic activity of the aqueous extract of Origanum vulgare growing wild in Tafilalet region. J Ethnopharmacol. 2004;92(2-3):251-256. PubMed
McCue, P., Vattem, D., and Shetty, K. Inhibitory effect of clonal oregano extracts against porcine pancreatic amylase in vitro. Asia Pac.J Clin.Nutr. 2004;13(4):401-408.
Ragi, J., Pappert, A., Rao, B., Havkin-Frenkel, D., and Milgraum, S. Oregano extract ointment for wound healing: a randomized, double-blind, petrolatum-controlled study evaluating efficacy. J.Drugs Dermatol. 2011;10(10):1168-1172.
Singletary K. Oregano: overview of the literature on health benefits. Nutrition Today 2010;45(3):129-38.
Silva MLAE, Lucarini R, Dos Santos FF, et al. Hypoglycemic effect of rosmarinic acid-rich infusion (RosCE) from Origanum vulgare in alloxan-induced diabetic rats. Nat Prod Res 2022;36(17):4525-4531.

Medication overviews come from MedlinePlus (NIH); supplement label data from the NIH Dietary Supplement Label Database. Content is written and reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

Related: nutrient depletion

Albuterol Is Linked to Lower Levels of 2 Nutrients

Natural Medicines records Albuterol as a medicine that can lower these. This is not an interaction with Oregano — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:

Read the full Albuterol nutrient depletion report ›

Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.

Pharmacist Counseling Corner

Taking Oregano and Albuterol Together: Common Questions

Is it safe to take Oregano with Albuterol?

We do not list a known interaction between Oregano and Albuterol. That does not guarantee the combination is risk-free, so confirm with your pharmacist or doctor — especially if you take other medications or have a health condition.

Are Oregano and Albuterol used for the same thing?

They overlap in purpose, which usually means the real question is whether you need both rather than whether they are safe together. This page lists the shared uses and how strong the evidence is for Oregano in each. That is a conversation for your prescriber, especially if Albuterol is being adjusted to a target.

How was the Oregano and Albuterol combination checked?

Interactions in our licensed database are recorded against drug classes. Albuterol is filed under 2 classifications, and Oregano has documented interactions with 2 drug classes — none of Albuterol's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.

Does Oregano interact with any other medications?

Yes. Oregano has 208 documented drug interactions in our database — Albuterol is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.

Does Albuterol interact with any supplements?

Yes. Albuterol has documented interactions with 32 supplements in our database — Oregano is not one of them. The Albuterol interaction page linked on this page lists every one, ranked by severity.

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

Where next

Keep Exploring

Oregano monograph Uses, safety profile, and every drug interaction in one place Albuterol drug information The full plain-English guide to this medication Albuterol supplement interactions Every supplement checked against Albuterol, ranked by severity Supplement interaction checker Check any supplement or product against your medications Browse medications A–Z Every drug we’ve checked against herbs & supplements References The 12 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Albuterol and Oregano?

Our pharmacists answer your medication & supplement questions — free.

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This information is for education only and is not a substitute for professional medical advice. Always check with your pharmacist or doctor before starting, stopping, or combining supplements and medications.