Drug & supplement interaction

Elecampane + Homatropine Methylbromide, Hydrocodone

Homatropine Methylbromide, Hydrocodone brand names: Hycodan, Tussigon.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Elecampane has a moderate interaction with Homatropine Methylbromide, Hydrocodone. Theoretically, elecampane may cause additive sedative effects when taken with CNS depressants.

Read the full interaction report
SeverityModerate
LikelihoodPossible
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Elecampane and Homatropine Methylbromide, Hydrocodone

Here is the interaction we found between these two, with the evidence behind it.

Moderate

CNS DEPRESSANTS

Why this applies to Homatropine Methylbromide, Hydrocodone

Homatropine Methylbromide, Hydrocodone falls under CNS DEPRESSANTS — the group Elecampane interacts with.

Theoretically, elecampane may cause additive sedative effects when taken with CNS depressants.
Elecampane might have sedative effects.
Severity Moderate Likelihood Possible Evidence D

Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Hycodan combines hydrocodone, an opioid cough suppressant, with homatropine. The hydrocodone part already makes many people feel drowsy, foggy, or slowed down, and it can ease breathing in a way that occasionally goes too far. Elecampane is thought to have its own mild sedative quality, so pairing the two could, in theory, leave you more sleepy or sluggish than you'd expect.

To be honest, this concern comes from how these ingredients work, not from real studies in people, so it's a soft warning rather than a red flag. Still, if you ever feel unusually groggy, dizzy, or notice slow or shallow breathing, that matters. Please check with your pharmacist or doctor before combining them, and skip elecampane during pregnancy or breastfeeding.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • PossibleInteraction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Elecampane Also Interacts With Other Medications

Elecampane has 247 moderate known drug interactions in our database — the Homatropine Methylbromide, Hydrocodone one above is one of them. If you take anything else, check it against the full list below.

Moderate 247 No known interaction 2,583 (incl. Homatropine Methylbromide, Hydrocodone)
Taking anything else?

Check Another of Your Medications Against Elecampane

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

Everything else you take

See Every Supplement That Interacts With Homatropine Methylbromide, Hydrocodone

This page covers Elecampane only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Homatropine Methylbromide, Hydrocodone page lists 233 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: 1,4-butanediol (major), Activated Charcoal (major), Beer (major), Gamma-hydroxybutyrate (ghb) (major) and Grapefruit (major).

By severity: 11 major · 181 moderate · 41 minor.

From our pharmacist’s overview on the Homatropine Methylbromide, Hydrocodone page

“Hycodan (homatropine with hydrocodone) is an opioid cough medicine, so the real danger on this list is anything that deepens sedation or slows breathing, and 78 of the 233 supplements and herbs on file do exactly that. Alcohol, whether beer or wine, sits among the 11 major-rated entries with solid human evidence behind it.”

Reviewed by 2 · Jul 18, 2026

Open the Homatropine Methylbromide, Hydrocodone interaction page

One more smart check

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

We hold 332 real supplement products containing Elecampane, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Elecampane. Your product may carry other ingredients that interact with Homatropine Methylbromide, Hydrocodone too, on top of Elecampane — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Elecampane and Homatropine Methylbromide, Hydrocodone 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 Elecampane
Top half

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

29 days ago today
Medication Homatropine Methylbromide, Hydrocodone
Steady interest

#2,113 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.

Supplement

About Elecampane

What is Elecampane?

Elecampane
  • Cough and bronchitis
  • Asthma symptoms
  • Loosening mucus (expectorant)
  • Digestive upset
  • Intestinal worms (traditional)

Elecampane is a traditional herb used mainly for coughs and other respiratory complaints, and as a bitter for digestion. Modern human evidence is very limited, so it should be seen as a folk remedy rather than a proven treatment. Talk to your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Read the full Elecampane monograph & all interactions
Keep checking

Other Drugs & Elecampane

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

0Major
247Moderate
0Minor
2,582No known interaction
247 Moderate 2,582 No interaction
Moderate

247 interactions

Showing 60 of 247 moderate interactions — see all 247 on the Elecampane page.

No interaction 2,582 drugs checked — show the list

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

Showing the 60 most looked-up of 2,582 medications checked with no known interaction — see the full Elecampane list.

See the full Elecampane interactions page
See every supplement checked against Homatropine Methylbromide, Hydrocodone, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

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

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
Elecampane monograph › Uses, safety, and every drug interaction in one place Homatropine Methylbromide, Hydrocodone supplement interactions › Every supplement checked against Homatropine Methylbromide, Hydrocodone, 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 Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Elecampane and Homatropine Methylbromide, Hydrocodone Together: Common Questions

Can you take Elecampane with Homatropine Methylbromide, Hydrocodone?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Elecampane and Homatropine Methylbromide, Hydrocodone interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

Still Have a Question About Homatropine Methylbromide, Hydrocodone and Elecampane?

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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.