Drug & supplement interaction

Banderol + Dofetilide

Dofetilide brand name: Tikosyn.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Banderol and Dofetilide 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

Banderol and Dofetilide

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 Dofetilide and Banderol 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.

Banderol safety at a glance

Banderol overall Use caution Human safety data are very limited, so use carefully and under professional guidance.
Pregnancy Avoid Not enough safety information; avoid during pregnancy.
Breastfeeding Avoid Not enough safety information; avoid while breastfeeding.

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

Pharmacist analysis

Due to the lack of scientific data, it is difficult to make definitive statements about potential drug interactions involving Banderol (Otoba parvifolia).

Although some preliminary studies done in a lab setting have noted some potential interactions (which can be found in our interaction checker), more are needed to better understand the safety of Banderol when combined with OTC (over-the-counter) or prescription drugs.

—

Still wondering about combining Dofetilide and Banderol? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Dofetilide

Interactions in our licensed database are recorded against drug classes, not just single drug names. Dofetilide is filed under 3 classifications — qt interval-prolonging drugs, cytochrome p450 3a4 (cyp3a4) substrates, oral drugs. Banderol has documented interactions with 2 drug classes — the most serious being organic anion transporter 1 (oat1) substrates (moderate) and organic anion transporter 3 (oat3) substrates (moderate) — and none of Dofetilide’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

Banderol Does Interact With Other Medications

Banderol has 177 moderate known drug interactions in our database — Dofetilide isn’t one of them. If you take anything else, check it against the full list below.

Moderate 177 No known interaction 2,653 (incl. Dofetilide)
Taking anything else?

Check Another of Your Medications Against Banderol

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

What to actually watch for

What Dofetilide’s Own FDA Label Lists

This is not an interaction — none of it involves Banderol. These are the most notable effects listed in the ADVERSE REACTIONS section of Dofetilide’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.

  • An irregular heartbeat Worth acting on mentioned in 14.5% of FDA reports for Dofetilide
  • A stroke or mini-stroke Worth acting on
  • A slow heartbeat Worth acting on
  • Heart failure Worth acting on
  • Fainting Worth acting on
  • Shortness of breath Worth acting on mentioned in 5.9% of FDA reports for Dofetilide
  • Chest pain Worth acting on
  • Raised blood pressure Worth acting on
  • A severe allergic reaction Worth acting on
  • Liver problems Worth acting on

Showing the 10 most notable of 28 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 Dofetilide. Read the label on DailyMed › Where a percentage is shown, it is the share of 10,450 voluntary FDA FAERS reports for Dofetilide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Banderol’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Banderol side to compare — that is a limit of the record, not a statement that Banderol has no side effects.

From our Q&A

Questions About Banderol or Dofetilide

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

This page covers Banderol only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Dofetilide page lists 146 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), Arsenic (major), Cesium (major) and Ephedra (major).

By severity: 8 major · 98 moderate · 40 minor.

From our pharmacist’s overview on the Dofetilide page

“Dofetilide (Tikosyn) controls abnormal heart rhythms, and it is dosed so precisely that most people start it in the hospital under ECG monitoring. Supplements deserve matching care.”

Reviewed by 2 · Jul 18, 2026

Open the Dofetilide interaction page

How much people look this up

Where Banderol and Dofetilide 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 Banderol
Steady interest

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

29 days ago today
Medication Dofetilide
Top half

#779 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. Banderol is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Banderol reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Banderol and Dofetilide records this page draws on were last updated June 20, 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 Banderol

What is Banderol?

Banderol
  • Lyme disease support
  • Antimicrobial
  • Antifungal
  • Immune support
  • Inflammation

Banderol is a Nutramedix-branded herbal extract made from the bark of the Amazonian tree Otoba parvifolia, most often promoted as part of alternative Lyme disease protocols. There is very little high-quality human research to support its use, so the evidence behind its benefits is weak and largely preliminary. Talk with your pharmacist or doctor before using it, and never use it to replace proven treatments.

Otoba parvifolia · Myristicaceae · Bark (extract) · Liquid tincture/drops, capsules

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

Banderol: dosing

There is no official, standardized dose for Banderol. It has not been studied enough in humans to set a proven safe and effective amount.If you choose to use it, follow the directions on the product label exactly, since the manufacturer's tincture is typically dosed as a small number of drops in water.

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

Read the full Banderol monograph & all interactions
Medication

About Dofetilide

What Is Dofetilide Used For?

Brand name: Tikosyn

Dofetilide capsules are used in two main ways for people with atrial fibrillation (AF) or atrial flutter (AFl) — abnormal, often rapid heart rhythms. First, they can help convert these abnormal rhythms back to a normal heart rhythm. Second, once a normal rhythm has been restored, dofetilide can help maintain it and delay the time before the abnormal rhythm comes back.

Because dofetilide can cause dangerous heart rhythm problems of its own, it is reserved for patients whose atrial fibrillation or atrial flutter causes significant symptoms. It has not been shown to be effective for paroxysmal atrial fibrillation (short, self-terminating episodes). The brand Tikosyn carries the same two approved uses.

Most-Reported Side Effects for Dofetilide

From FAERS, the FDA’s public side-effect reporting system (10,450 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Atrial fibrillation 1,066 reports
Dyspnea 612 reports
Dizziness 559 reports
Fatigue 531 reports
Electrocardiogram qt prolonged 446 reports
See full Dofetilide drug information
Keep checking

Other Drugs & Banderol

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

0Major
177Moderate
0Minor
2,652No known interaction
177 Moderate 2,652 No interaction
Moderate

177 interactions

Showing 60 of 177 moderate interactions — see all 177 on the Banderol page.

No interaction 2,652 drugs checked — show the list

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

Showing the 60 most looked-up of 2,652 medications checked with no known interaction — see the full Banderol list.

See the full Banderol interactions page
See every supplement checked against Dofetilide, ranked by severity
Evidence & sources

Banderol References

The 3 sources that drive our Banderol monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Banderol is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Lyme Disease and Alternative Treatments — NIH NCCIH Source
  2. Using Dietary Supplements Wisely — NIH NCCIH Source
  3. Herbal Supplements — MedlinePlus Source

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 Banderol and Dofetilide Together: Common Questions

Is it safe to take Banderol with Dofetilide?
We do not list a known interaction between Banderol and Dofetilide. 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 Banderol and Dofetilide combination checked?
Interactions in our licensed database are recorded against drug classes. Dofetilide is filed under 3 classifications, and Banderol has documented interactions with 2 drug classes — none of Dofetilide'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 Banderol interact with any other medications?
Yes. Banderol has 177 documented drug interactions in our database — Dofetilide 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 Dofetilide interact with any supplements?
Yes. Dofetilide has documented interactions with 146 supplements in our database — Banderol is not one of them. The Dofetilide 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

Banderol monograph Uses, safety profile, and every drug interaction in one place Dofetilide drug information The full plain-English guide to this medication Dofetilide supplement interactions Every supplement checked against Dofetilide, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Dofetilide and Banderol?

Our pharmacists answer your medication & supplement questions — free.

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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.