Drug & supplement interaction

Yerba Mansa + Oxycodone

Oxycodone brand names: OxyContin, Roxicodone, OxyIR, Percolone, Oxecta, and others.

Moderate Interaction
The bottom line Moderate

Yerba Mansa has a moderate interaction with Oxycodone. Theoretically, concomitant use might cause additive or prolonged sedative effects.

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

Yerba Mansa and Oxycodone

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

Moderate

CNS DEPRESSANTS

Why this applies to Oxycodone

Oxycodone falls under CNS DEPRESSANTS — the group Yerba Mansa interacts with.

Theoretically, concomitant use might cause additive or prolonged sedative effects.
Severity Moderate Likelihood Probable Evidence D

Interaction 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..

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

Here's the basic concern with pairing yerba mansa and oxycodone. Oxycodone is a strong opioid pain reliever, and on its own it already causes drowsiness, slowed breathing, foggy thinking, and constipation. Yerba mansa may have a mild calming or sedating quality of its own, so the worry is that the two together could add up and make you sleepier or more out of it than you'd expect.

I'll be honest with you, this interaction is theoretical. It's based on how these things behave in the body, not on solid human studies, so it may never cause you trouble. Still, opioids leave little room for error, so play it safe. Watch for unusual drowsiness or dizziness, and check with your pharmacist or doctor before combining them.

References
  1. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.

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

Yerba Mansa Also Interacts With Other Medications

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

Taking anything else?

Check Another of Your Medications Against Yerba Mansa

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

From our Q&A

Questions About Yerba Mansa or Oxycodone

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Yerba Mansa or Oxycodone, 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 Oxycodone

This page covers Yerba Mansa only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Oxycodone page lists 145 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 Kava (major).

By severity: 8 major · 114 moderate · 23 minor.

From our pharmacist’s overview on the Oxycodone page

“Oxycodone is a potent opioid painkiller, and anything that deepens its sedation can slow breathing itself, which is why this list deserves genuine respect. Of the 145 supplement and herbal ingredients on record, eight rate major, and the biggest cluster by far, 78 ingredients, adds extra drowsiness on top of the opioid's own.”

Reviewed by 2 · Jul 18, 2026

Open the Oxycodone interaction page

One more smart check

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

We hold 139 real supplement products containing Yerba Mansa, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Yerba Mansa. Your product may carry other ingredients that interact with Oxycodone too, on top of Yerba Mansa — 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 Yerba Mansa and Oxycodone 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 Yerba Mansa
Top half

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

29 days ago today
Medication Oxycodone
Top half

#1,123 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 Yerba Mansa

What is Yerba Mansa?

Yerba Mansa
  • Sore throat and respiratory congestion
  • Skin irritation and wounds
  • Mouth and gum inflammation
  • Urinary and digestive complaints
  • Antimicrobial support

Yerba mansa is a traditional Southwestern and Mexican medicinal plant used for sore throats, skin problems, and infections. Modern scientific evidence in humans is very limited, so its effectiveness is largely unproven. If you want to try it, talk to a pharmacist or doctor first, and avoid it during pregnancy and breastfeeding.

Read the full Yerba Mansa monograph & all interactions
Medication

About Oxycodone

What Is Oxycodone Used For?

Brand names: OxyContin, Roxicodone, OxyIR, Percolone, Oxecta, OxyNeo

Oxycodone is prescribed for pain severe enough to need daily, long-term opioid treatment — pain that hasn't responded well to non-opioid medicines or shorter-acting options. The extended-release form is designed for continuous pain control, not for occasional or as-needed use.

It is approved for adults and, in certain cases, for opioid-tolerant children 11 years and older who are already on opioid therapy. Because of the serious risks involved, it is reserved for situations where other approaches have genuinely fallen short.

See full Oxycodone drug information
Keep checking

Other Drugs & Yerba Mansa

Browse every other medication we’ve checked against Yerba Mansa — 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
Moderate

247 interactions

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

No interaction 2,582 drugs checked — show the list
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

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Pharmacist Counseling Corner

Taking Yerba Mansa and Oxycodone Together: Common Questions

Can you take Yerba Mansa with Oxycodone?
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 Yerba Mansa and Oxycodone 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 Oxycodone and Yerba Mansa?

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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.