Drug & supplement interaction

Jamaican Dogwood + Propafenone

Propafenone brand names: Rythmol, Arythmol.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Jamaican Dogwood and Propafenone 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

Jamaican Dogwood and Propafenone

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 Propafenone and Jamaican Dogwood 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.

Jamaican Dogwood safety at a glance

Jamaican Dogwood overall Use caution It can be toxic in higher doses and has limited safety data in humans.
Pregnancy Likely Unsafe When used orally; avoid using due to possible uterine depressant effects. Read the full pregnancy detail
Breastfeeding Likely Unsafe When used orally; avoid using. Read the full breastfeeding detail

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.

Still wondering about combining Propafenone and Jamaican Dogwood? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Propafenone

Interactions in our licensed database are recorded against drug classes, not just single drug names. Propafenone is filed under 5 classifications — including cytochrome p450 2d6 (cyp2d6) inhibitors, cytochrome p450 1a2 (cyp1a2) substrates, cytochrome p450 1a2 (cyp1a2) substrates. Jamaican Dogwood has documented interactions with 1 drug class — the most serious being cns depressants (moderate) — and none of Propafenone’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

Jamaican Dogwood Does Interact With Other Medications

Jamaican Dogwood has 248 moderate known drug interactions in our database — Propafenone isn’t one of them. If you take anything else, check it against the full list below.

Moderate 248 No known interaction 2,582 (incl. Propafenone)
Taking anything else?

Check Another of Your Medications Against Jamaican Dogwood

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

What to actually watch for

What Propafenone’s Own FDA Label Lists

This is not an interaction — none of it involves Jamaican Dogwood. These are the most notable effects listed in the ADVERSE REACTIONS section of Propafenone’s own FDA label, for the medication by itself. Knowing the drug’s own list makes it easier to work out the likely cause if something new turns up while you take both. 10 of them are worth acting on rather than waiting out — marked below.

  • Hearing loss Worth acting on
  • A stroke or mini-stroke Worth acting on
  • A bowel blockage Worth acting on
  • Pain or burning when passing urine Worth acting on
  • Muscle weakness Worth acting on
  • Memory problems Worth acting on
  • Dehydration Worth acting on
  • Trouble swallowing Worth acting on
  • Bleeding in the gut Worth acting on
  • Trouble passing urine Worth acting on

Showing the 10 most notable of 80 label-listed effects — ranked by how unusual each one is across medicines generally, with serious effects weighted up.

From the ADVERSE REACTIONS section of the FDA label for Propafenone. Read the label on DailyMed › Jamaican Dogwood’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Jamaican Dogwood side to compare — that is a limit of the record, not a statement that Jamaican Dogwood has no side effects.

Special populations

Jamaican Dogwood in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally; avoid using due to possible uterine depressant effects.

Lactation Likely Unsafe

When used orally; avoid using.

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

From our Q&A

Questions About Jamaican Dogwood or Propafenone

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

This page covers Jamaican Dogwood only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Propafenone page lists 138 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), 1,3-dmaa (moderate), Acacia Rigidula (moderate), Active Hexose Correlated Compound (ahcc) (moderate) and Adrafinil (moderate).

By severity: 1 major · 99 moderate · 38 minor.

From our pharmacist’s overview on the Propafenone page

“Propafenone (Rythmol) steadies abnormal heart rhythms, and medicines with that job leave little room for error, so the 138 supplements and herbs on this list deserve genuine attention before any of them get added on top. The single major-rated entry is activated charcoal, which can soak up an oral dose in the gut and cut how much medic…”

Reviewed by 2 · Jul 18, 2026

Open the Propafenone interaction page

One more smart check

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

We hold 82 real supplement products containing Jamaican Dogwood, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Jamaican Dogwood. Even though Jamaican Dogwood itself has no known interaction with Propafenone, 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 Jamaican Dogwood and Propafenone 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 Jamaican Dogwood
Top half

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

29 days ago today
Medication Propafenone
Steady interest

#1,886 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 Jamaican Dogwood reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Jamaican Dogwood and Propafenone 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 .
Supplement

About Jamaican Dogwood

What is Jamaican Dogwood?

  • Insomnia and sleep trouble
  • Nerve pain
  • Anxiety and tension
  • Menstrual cramps
  • Muscle pain and spasms
  • Migraine and headaches

Jamaican dogwood is a tree bark traditionally used to promote sleep and ease pain, but high-quality human studies are lacking. It can be toxic in larger amounts and should be used cautiously, if at all, and never during pregnancy or breastfeeding. Talk to a pharmacist or doctor before trying it.

Piscidia piscipula · Fabaceae · Bark of the root and stem · Dried bark, tinctures, liquid extracts, capsules, teas

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

Jamaican Dogwood: dosing

There is no well-established, standardized dose for Jamaican dogwood. Products vary widely in strength, and the bark's natural compounds can be potent, so there is no safe "recommended" amount we can confidently give.If you choose to use a product, follow the directions on the label exactly and do not exceed them. It is best to start any new supplement only after checking with a pharmacist or doctor, who can help you weigh the risks. Avoid using it long-term or in high amounts.

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

Read the full Jamaican Dogwood monograph & all interactions
Medication

About Propafenone

What Is Propafenone Used For?

Brand names: Rythmol, Arythmol

Propafenone is used to help control abnormal heart rhythms. It is prescribed to delay the return of paroxysmal atrial fibrillation or atrial flutter (episodic irregular heartbeats in the upper chambers) and paroxysmal supraventricular tachycardia (PSVT, sudden fast heartbeats starting above the heart's lower chambers) — but only in people who do not have structural heart disease.

It is also used to treat life-threatening ventricular arrhythmias (dangerous fast rhythms starting in the heart's lower chambers). Because of serious safety concerns, it is not recommended for minor or non-life-threatening heart rhythm problems.

See full Propafenone drug information
Keep checking

Other Drugs & Jamaican Dogwood

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

0Major
248Moderate
0Minor
2,581No known interaction
248 Moderate 2,581 No interaction
Moderate

248 interactions

Showing 60 of 248 moderate interactions — see all 248 on the Jamaican Dogwood page.

No interaction 2,581 drugs checked — show the list

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

Showing the 60 most looked-up of 2,581 medications checked with no known interaction — see the full Jamaican Dogwood list.

See the full Jamaican Dogwood interactions page
See every supplement checked against Propafenone, ranked by severity
Evidence & sources

Jamaican Dogwood References

The 2 references that drive our Jamaican Dogwood 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. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. Della, Loggia R., Tubaro, A., and Redaelli, C. [Evaluation of the activity on the mouse CNS of several plant extracts and a combination of them]. Riv.Neurol. 1981;51(5):297-310.

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 Jamaican Dogwood and Propafenone Together: Common Questions

Is it safe to take Jamaican Dogwood with Propafenone?
We do not list a known interaction between Jamaican Dogwood and Propafenone. 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 Jamaican Dogwood and Propafenone combination checked?
Interactions in our licensed database are recorded against drug classes. Propafenone is filed under 5 classifications, and Jamaican Dogwood has documented interactions with 1 drug class — none of Propafenone'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 Jamaican Dogwood interact with any other medications?
Yes. Jamaican Dogwood has 248 documented drug interactions in our database — Propafenone 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 Propafenone interact with any supplements?
Yes. Propafenone has documented interactions with 138 supplements in our database — Jamaican Dogwood is not one of them. The Propafenone 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

Jamaican Dogwood monograph Uses, safety profile, and every drug interaction in one place Propafenone drug information The full plain-English guide to this medication Propafenone supplement interactions Every supplement checked against Propafenone, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Propafenone and Jamaican Dogwood?

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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.