Drug & supplement interaction

Strophanthus + Bumetanide, Potassium

Bumetanide, Potassium brand name: Burinex K.

Moderate Interaction
The bottom line Moderate

Strophanthus has a moderate interaction with Bumetanide, Potassium. Theoretically, concomitant use of potassium-depleting diuretics and strophanthus can increase the risk of cardiac glycoside toxicity due to potassium depletion.

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

Strophanthus and Bumetanide, Potassium

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

Moderate

DIURETIC DRUGS

Why this applies to Bumetanide, Potassium

Bumetanide, Potassium falls under DIURETIC DRUGS — the group Strophanthus interacts with.

Theoretically, concomitant use of potassium-depleting diuretics and strophanthus can increase the risk of cardiac glycoside toxicity due to potassium depletion. Some diuretics that can deplete potassium include chlorothiazide (Diuril), chlorthalidone (Thalitone), furosemide (Lasix), hydrochlorothiazide (HCTZ, Hydrodiuril, Microzide), and others.
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

Here's the concern with this pair. Strophanthus contains cardiac glycosides that act a lot like digoxin, and these compounds become more dangerous when your body's potassium runs low. Bumetanide (the diuretic in Burinex K) is a strong water pill that can pull potassium out of your system. Even though this product includes added potassium, the balance can still shift, and low potassium makes the heart more sensitive to glycoside toxicity.

If potassium drops too far, you could see signs like nausea, palpitations, an irregular heartbeat, dizziness, or unusual fatigue. To be honest, this is a theoretical interaction based on how these substances behave, not on strong studies, but Strophanthus is genuinely powerful. Please don't combine these without your doctor checking your potassium first.

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

Strophanthus Also Interacts With Other Medications

Strophanthus has 3 major, 119 moderate known drug interactions in our database — the Bumetanide, Potassium 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 Strophanthus

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

Everything else you take

See Every Supplement That Interacts With Bumetanide, Potassium

This page covers Strophanthus only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Bumetanide, Potassium page lists 119 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Lithium (major), Oleander (major), Yellow Dock (major) and Abuta (moderate).

By severity: 4 major · 99 moderate · 16 minor.

From our pharmacist’s overview on the Bumetanide, Potassium page

“Burinex K pairs bumetanide, a strong water pill, with potassium to replace what the drug flushes out, and that balance is fragile enough that this list deserves real care. Most of the 119 entries either act like extra diuretics, deepening potassium and fluid loss, or add sun sensitivity, but start with the four rated major: activated c…”

Reviewed by 2 · Jul 18, 2026

Open the Bumetanide, Potassium interaction page

How much people look this up

Where Strophanthus and Bumetanide, Potassium 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 Strophanthus
Steady interest

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

29 days ago today
Medication Bumetanide, Potassium
Steady interest

#1,612 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 Strophanthus

What is Strophanthus?

  • Heart failure
  • Angina (chest pain)
  • Irregular heartbeat
  • Circulation support
  • Traditional African arrow poison (historical)

Strophanthus is a plant that contains powerful heart-affecting compounds called cardiac glycosides (the best known is ouabain/g-strophanthin). Because these substances can strongly affect heart rhythm and are toxic in the wrong amount, Strophanthus is not a casual supplement and should never be used without close medical supervision. Reliable modern evidence for its supplement use is limited.

Read the full Strophanthus monograph & all interactions
Keep checking

Other Drugs & Strophanthus

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

3Major
119Moderate
0Minor
2,707No known interaction
Major

3 interactions

Moderate

119 interactions

Showing 60 of 119 moderate interactions — see all 119 on the Strophanthus page.

No interaction 2,707 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 Strophanthus and Bumetanide, Potassium Together: Common Questions

Can you take Strophanthus with Bumetanide, Potassium?
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 Strophanthus and Bumetanide, Potassium 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

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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.