Drug & supplement interaction

Caraway + Bendroflumethiazide, Potassium

Bendroflumethiazide, Potassium brand names: Neo-NaClex-K, Centyl K.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Caraway has a moderate interaction with Bendroflumethiazide, Potassium. Theoretically, caraway might increase the risk of hypokalemia when used with diuretics that deplete potassium.

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

Caraway and Bendroflumethiazide, Potassium

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

Moderate

DIURETIC DRUGS

Why this applies to Bendroflumethiazide, Potassium

Bendroflumethiazide, Potassium falls under DIURETIC DRUGS — the group Caraway interacts with.

Theoretically, caraway might increase the risk of hypokalemia when used with diuretics that deplete potassium.
Animal research suggests that a single dose of caraway fruit extract can promote diuresis and increase the urinary excretion of sodium and potassium. However, sub-chronic use of caraway fruit extract does not seem to significantly increase potassium excretion, although urine output continues to be increased for up to 6 days.
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

Your medicine is a combination water pill: bendroflumethiazide is a thiazide diuretic that makes you pee out extra fluid and salt, and it tends to drop your potassium, which is exactly why a potassium supplement is added back in. The concern here is mostly on paper. Animal studies hint that caraway can act as a mild diuretic and push out a little extra sodium and potassium, so the worry is that pairing it with your pill could nudge your potassium even lower.

In real life, this is rated theoretical and based on pharmacology, not strong human data, and longer-term caraway use didn't seem to drain potassium much. The caraway you sprinkle in cooking is very unlikely to matter. Concentrated caraway oil or capsules are worth mentioning to your pharmacist or doctor, especially if you notice muscle weakness, cramps, or feeling unusually tired.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Lahlou, S., Tahraoui, A., Israili, Z., and Lyoussi, B. Diuretic activity of the aqueous extracts of Carum carvi and Tanacetum vulgare in normal rats. J Ethnopharmacol. 4-4-2007;110(3):458-463. PubMed

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

Caraway Also Interacts With Other Medications

Caraway has 407 moderate, 5 minor known drug interactions in our database — the Bendroflumethiazide, Potassium one above is one of them. If you take anything else, check it against the full list below.

Moderate 407 Minor 5 No known interaction 2,418 (incl. Bendroflumethiazide, Potassium)
Taking anything else?

Check Another of Your Medications Against Caraway

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

Everything else you take

See Every Supplement That Interacts With Bendroflumethiazide, Potassium

This page covers Caraway only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Bendroflumethiazide, Potassium page lists 127 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Dolomite (major), Lithium (major) and Oleander (major).

By severity: 7 major · 103 moderate · 17 minor.

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

“Bendroflumethiazide with potassium (Neo-NaClex-K, Centyl K) is a water pill for blood pressure with built-in potassium replacement, and its interaction list warrants real care rather than a quick skim. Seven of the 127 supplement ingredients on file rate major, and they concentrate on two hazards: added kidney damage (Siberian cocklebu…”

Reviewed by 2 · Jul 18, 2026

Open the Bendroflumethiazide, Potassium interaction page

One more smart check

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

We hold 191 real supplement products containing Caraway, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Caraway. Your product may carry other ingredients that interact with Bendroflumethiazide, Potassium too, on top of Caraway — 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 Caraway and Bendroflumethiazide, 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 Caraway
Top half

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

29 days ago today
Medication Bendroflumethiazide, Potassium
Top half

#899 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 Caraway

What is Caraway?

Caraway
  • Digestive upset and bloating
  • Gas (flatulence)
  • Indigestion (dyspepsia)
  • Irritable bowel symptoms
  • Increasing breast milk (traditional)

Caraway is a common cooking spice that has long been used to ease gas, bloating, and indigestion. Some evidence suggests caraway oil—often combined with peppermint oil—may help with indigestion, but evidence for most other uses is limited. Food amounts are generally safe; concentrated oils and supplements should be used cautiously and discussed with your pharmacist or doctor.

Read the full Caraway monograph & all interactions
Keep checking

Other Drugs & Caraway

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

0Major
407Moderate
5Minor
2,417No known interaction
407 Moderate 5 Minor 2,417 No interaction
Moderate

407 interactions

Showing 60 of 407 moderate interactions — see all 407 on the Caraway page.

Minor

5 interactions

No interaction 2,417 drugs checked — show the list

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

Showing the 60 most looked-up of 2,417 medications checked with no known interaction — see the full Caraway list.

See the full Caraway interactions page
See every supplement checked against Bendroflumethiazide, Potassium, ranked by severity
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

Keep exploring
Caraway monograph › Uses, safety, and every drug interaction in one place Bendroflumethiazide, Potassium supplement interactions › Every supplement checked against Bendroflumethiazide, Potassium, 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 Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Caraway and Bendroflumethiazide, Potassium Together: Common Questions

Can you take Caraway with Bendroflumethiazide, 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 Caraway and Bendroflumethiazide, 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.