European Chestnut + Metoproterenol
Metoproterenol brand name: Alupent.
We found no known interaction between European Chestnut and Metoproterenol 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.
European Chestnut and Metoproterenol
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 Metoproterenol and European Chestnut 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.
Worth understanding: our licensed dataset holds no drug-interaction record for European Chestnut at all — not against Metoproterenol, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.
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.
European Chestnut safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
What Metoproterenol Is Prescribed For, and What European Chestnut Has Been Studied For
These two come up together because they touch the same health topic — not because they do the same job. Metoproterenol is a prescription medicine with approved uses on its FDA label. European Chestnut is a supplement: what follows is what researchers have looked at it for, and how strong that evidence is.
European Chestnut has been studied for:
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Bronchitis studied, not established European Chestnut has been studied for this. Natural Medicines rates the evidence: Insufficient Reliable Evidence To Rate Read what the research shows
European Chestnut for bronchitis
Although there is interest in using oral European chestnut for bronchitis, there is insufficient reliable information about the clinical effects of European chestnut for this condition.
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 Metoproterenol on your own; if you are taking European Chestnut for the same health topic, tell your prescriber, especially if the medicine is being adjusted to a target.
See Every Supplement That Interacts With Metoproterenol
This page covers European Chestnut only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Metoproterenol page lists 15 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: Black Tea (moderate), Caffeine (moderate), Cocoa (moderate), Coffee (moderate) and Cola Nut (moderate).
By severity: 15 moderate.
From our pharmacist’s overview on the Metoproterenol page
“Someone using metoproterenol (Alupent) for asthma or COPD is taking a beta-agonist, a drug that opens airways by stimulating the same receptors that speed the heart, and every one of the 15 supplement interactions on file works through that pathway. Twelve are caffeine sources, everyday things like coffee and tea, where large amounts c…”
Reviewed by 2 · Jul 18, 2026
Where European Chestnut and Metoproterenol 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.
#1,310 of 1,452 supplements looked up here in the last 7 days
#1,618 of 2,830 medications looked up here in the last 7 days
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 European Chestnut reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The European Chestnut and Metoproterenol records this page draws on were last updated July 10, 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.
About European Chestnut
What is European Chestnut?
- Coughs and respiratory irritation
- Diarrhea and digestive upset
- Sore throat
- Wound and skin care
- General antioxidant support
European Chestnut is a tree whose leaves and nuts have a long history of use for coughs, diarrhea, and skin care, mostly in traditional folk medicine. High-quality human studies are lacking, so its benefits remain unproven, and it should be used cautiously and discussed with a pharmacist or doctor.
Castanea sativa · Fagaceae · Leaves, nuts (seeds), bark, and flowers · Tea, liquid extract, capsules, honey, and topical preparations
An interaction check asks whether these two react with each other — it does not ask whether European Chestnut is a good idea for someone in your situation. Here is what our European Chestnut record says about it on its own.
European Chestnut: dosing
There is no standardized or well-established medicinal dose for European Chestnut. Products vary widely in strength and in which part of the plant they use.If you choose to use a chestnut product, follow the directions on the label and do not exceed the recommended amount.
From our European Chestnut monograph — the full record covers uses, side effects and every documented interaction.
About Metaproterenol
What Is Metaproterenol Used For?
Brand name: Alupent
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Metaproterenol is used to prevent and treat wheezing, shortness of breath, coughing, and chest tightness caused by asthma, chronic bronchitis, emphysema, and other lung diseases. It relaxes and opens air passages in the lungs, making it easier to breathe.
Other Drugs & European Chestnut
Browse every other medication we’ve checked against European Chestnut — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked European Chestnut against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Ivermectin ›
- Abemaciclib ›
- Testosterone ›
- Losartan Potassium ›
- Sertraline ›
- Acetaminophen ›
- Rosuvastatin ›
- Aspirin ›
- Escitalopram ›
- Metoprolol ›
- Clopidogrel ›
- Atorvastatin ›
- Rivaroxaban ›
- Isotretinoin ›
- Tirzepatide ›
- Ibuprofen ›
- Warfarin Sodium ›
- Amlodipine Besylate ›
- Methamphetamine ›
- Levothyroxine, Liothyronine ›
- Docusate ›
- Prednisone ›
- Metformin ›
- Amitriptyline ›
- Valacyclovir ›
- Tadalafil ›
- Hydroxyurea ›
- Lisdexamfetamine ›
- Sumatriptan ›
- Semaglutide ›
- Amphetamine ›
- Propranolol ›
- Methotrexate ›
- Lisinopril ›
- Amoxicillin ›
- Bupropion ›
- Fluoxetine ›
- Azithromycin ›
- Pregabalin ›
- Doxycycline ›
- Gabapentin ›
- Dextroamphetamine ›
- Bendamustine ›
- Acetaminophen, Aspirin, Caffeine ›
- Naproxen ›
- Lamotrigine ›
- Quetiapine ›
- Acyclovir ›
- Clonazepam ›
- Buspirone ›
- Omeprazole ›
- Duloxetine ›
- Letrozole ›
- Citalopram ›
- Methylene Blue ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full European Chestnut list.
European Chestnut References
The 1 references that drive our European Chestnut 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.
- McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
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.
Taking European Chestnut and Metoproterenol Together: Common Questions
Is it safe to take European Chestnut with Metoproterenol?
Are European Chestnut and Metoproterenol used for the same thing?
Does Metoproterenol interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.