Drug & supplement interaction

Canadian Fleabane + Hydrocodone, Pseudoephedrine, Chlorpheniramine

Hydrocodone, Pseudoephedrine, Chlorpheniramine brand name: Zutripro.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine 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.

Know someone taking this? Share
Interaction report

Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine

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 Hydrocodone, Pseudoephedrine, Chlorpheniramine and Canadian Fleabane 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.

Canadian Fleabane safety at a glance

Canadian Fleabane overall Use caution Used traditionally, but human safety data are limited so use cautiously.
Pregnancy Avoid Not enough safety information, so avoid use during pregnancy.
Breastfeeding Avoid Not enough safety information, so avoid use while breastfeeding.

Safety guidance is general; always confirm with your pharmacist or doctor for your situation.

Still wondering about combining Hydrocodone, Pseudoephedrine, Chlorpheniramine and Canadian Fleabane? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Hydrocodone, Pseudoephedrine, Chlorpheniramine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Hydrocodone, Pseudoephedrine, Chlorpheniramine is filed under 14 classifications — including narcotic drugs, cytochrome p450 2d6 (cyp2d6) inhibitors, alpha-adrenergic agonists. Canadian Fleabane has documented interactions with 1 drug class — the most serious being anticoagulant/antiplatelet drugs (moderate) — and none of Hydrocodone, Pseudoephedrine, Chlorpheniramine’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

Canadian Fleabane Does Interact With Other Medications

Canadian Fleabane has 122 moderate known drug interactions in our database — Hydrocodone, Pseudoephedrine, Chlorpheniramine isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Canadian Fleabane

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

Everything else you take

See Every Supplement That Interacts With Hydrocodone, Pseudoephedrine, Chlorpheniramine

This page covers Canadian Fleabane only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Hydrocodone, Pseudoephedrine, Chlorpheniramine page lists 285 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), Ephedra (major) and Gamma-hydroxybutyrate (ghb) (major).

By severity: 16 major · 228 moderate · 41 minor.

From our pharmacist’s overview on the Hydrocodone, Pseudoephedrine, Chlorpheniramine page

“Zutripro pairs an opioid (hydrocodone) with a decongestant and a sedating antihistamine, which means supplements can interfere from three directions at once, and with 16 major-rated interactions among the 285 on file, this is a list to treat with genuine respect. The biggest cluster, 78 sedating ingredients including alcohol in any for…”

Reviewed by 2 · Jul 18, 2026

Open the Hydrocodone, Pseudoephedrine, Chlorpheniramine interaction page

How much people look this up

Where Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine 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 Canadian Fleabane
Top half

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

29 days ago today
Medication Hydrocodone, Pseudoephedrine, Chlorpheniramine
Steady interest

#1,795 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 Canadian Fleabane reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine records this page draws on were last updated June 22, 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 .
Supplement

About Canadian Fleabane

What is Canadian Fleabane?

  • Diarrhea
  • Minor bleeding
  • Urinary complaints
  • Digestive upset
  • Sore throat and inflammation

Canadian Fleabane is a common North American weed used in traditional medicine for diarrhea, minor bleeding, and urinary issues, but high-quality human studies are lacking. Because its safety has not been well studied, it is best to talk with your pharmacist or doctor before using it, and to avoid it during pregnancy and breastfeeding.

Erigeron canadensis · Asteraceae · Aerial parts (leaves, stems, flowers) and the essential oil · Tea, tincture, dried herb, liquid extract, essential oil

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

Canadian Fleabane: dosing

There is no established, science-based standard dose for Canadian Fleabane. Traditional preparations such as teas and tinctures vary widely in strength, and product labels differ from brand to brand.If you choose to use a commercial product, follow the directions on the label and do not exceed them. The essential oil is very concentrated and is not meant to be taken by mouth without professional guidance.

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

Read the full Canadian Fleabane monograph & all interactions
Keep checking

Other Drugs & Canadian Fleabane

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

0Major
122Moderate
0Minor
2,707No known interaction
Moderate

122 interactions

Showing 60 of 122 moderate interactions — see all 122 on the Canadian Fleabane page.

No interaction 2,707 drugs checked — show the list
Evidence & sources

Canadian Fleabane References

The 2 references that drive our Canadian Fleabane 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.

  1. Saluk-Juszczak J, Olas B, Pawlaczyk I, Gancarz R, Wachowicz B. Effects of the extract from Conyza canadensis on human blood platelet aggregation. Gen Physiol Biophys 2007;26(2):150-2.
  2. Olas B, Saluk-Juszczak J, Pawlaczyk I, et al. Antioxidant and antiaggregatory effects of an extract from Conyza canadensis on blood platelets in vitro. Platelets 2006;17(6):354-60.

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.

Pharmacist Counseling Corner

Taking Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine Together: Common Questions

Is it safe to take Canadian Fleabane with Hydrocodone, Pseudoephedrine, Chlorpheniramine?
We do not list a known interaction between Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine. 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.
How was the Canadian Fleabane and Hydrocodone, Pseudoephedrine, Chlorpheniramine combination checked?
Interactions in our licensed database are recorded against drug classes. Hydrocodone, Pseudoephedrine, Chlorpheniramine is filed under 14 classifications, and Canadian Fleabane has documented interactions with 1 drug class — none of Hydrocodone, Pseudoephedrine, Chlorpheniramine'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 Canadian Fleabane interact with any other medications?
Yes. Canadian Fleabane has 122 documented drug interactions in our database — Hydrocodone, Pseudoephedrine, Chlorpheniramine 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 Hydrocodone, Pseudoephedrine, Chlorpheniramine interact with any supplements?
Yes. Hydrocodone, Pseudoephedrine, Chlorpheniramine has documented interactions with 285 supplements in our database — Canadian Fleabane is not one of them. The Hydrocodone, Pseudoephedrine, Chlorpheniramine interaction page linked on this page lists every one, ranked by severity.

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

Still Have a Question About Hydrocodone, Pseudoephedrine, Chlorpheniramine and Canadian Fleabane?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.