Drug & supplement interaction

Yellow Toadflax + Mometasone, formoterol

Mometasone, formoterol brand name: Zenhale.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Yellow Toadflax and Mometasone, formoterol 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

Yellow Toadflax and Mometasone, formoterol

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 Mometasone, formoterol and Yellow Toadflax 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.

Worth understanding: our licensed dataset holds no drug-interaction record for Yellow Toadflax at all — not against Mometasone, formoterol, and not against any other medication we track. This verdict therefore rests on the absence of any recorded data, not on research that looked at this combination and found nothing. We cannot rule an interaction out.

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.

Yellow Toadflax safety at a glance

Yellow Toadflax overall Use caution Modern safety data are very limited, so use cautiously and only short-term.
Pregnancy Avoid Not enough safety information; avoid use during pregnancy.
Breastfeeding Avoid No reliable safety data, so avoid while breastfeeding.

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

Still wondering about combining Mometasone, formoterol and Yellow Toadflax? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Mometasone, formoterol’s Own FDA Label Lists

This is not an interaction — none of it involves Yellow Toadflax. These are the most notable effects listed in the ADVERSE REACTIONS section of Mometasone, formoterol’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.

  • Low potassium Worth acting on
  • High blood sugar Worth acting on
  • Wheezing Worth acting on
  • An irregular heartbeat Worth acting on
  • Chest pain Worth acting on
  • Raised blood pressure Worth acting on
  • Shortness of breath Worth acting on
  • A severe allergic reaction Worth acting on
  • A higher chance of infection Worth acting on
  • An allergic reaction Worth acting on

Showing the 10 most notable of 16 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 Mometasone, formoterol. Read the label on DailyMed › Yellow Toadflax’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Yellow Toadflax side to compare — that is a limit of the record, not a statement that Yellow Toadflax has no side effects.

Everything else you take

See Every Supplement That Interacts With Mometasone, formoterol

This page covers Yellow Toadflax only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Mometasone, formoterol page lists 155 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Grapefruit (major), St. John's Wort (major), 1,3-dmaa (moderate), Acacia Rigidula (moderate) and Active Hexose Correlated Compound (ahcc) (moderate).

By severity: 2 major · 120 moderate · 33 minor.

From our pharmacist’s overview on the Mometasone, formoterol page

“Mometasone and formoterol (Zenhale) is an inhaled asthma controller, a steroid paired with a long-acting airway opener, and its supplement list calls for real vigilance rather than a shrug. Nearly everything on it acts on the liver enzymes that break these medicines down, chiefly one called CYP3A4.”

Reviewed by 2 · Jul 18, 2026

Open the Mometasone, formoterol interaction page

How much people look this up

Where Yellow Toadflax and Mometasone, formoterol 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 Yellow Toadflax
Steady interest

#1,257 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Mometasone, formoterol
Steady interest

#2,693 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. Yellow Toadflax 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 Yellow Toadflax reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Yellow Toadflax and Mometasone, formoterol 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 Yellow Toadflax

What is Yellow Toadflax?

  • Hemorrhoids and skin irritation
  • Mild constipation
  • Fluid retention (as a folk diuretic)
  • Liver and gallbladder complaints (traditional)
  • Minor wounds and inflammation (topical)

Yellow toadflax is a traditional folk remedy used mostly for hemorrhoids, skin problems, and as a mild laxative or diuretic, but there is very little modern human research to confirm any of these uses. Because its safety has not been well studied, it is best used cautiously, avoided in pregnancy and breastfeeding, and discussed with a pharmacist or doctor first.

Linaria vulgaris · Plantaginaceae · Aerial parts (flowering tops, leaves, and stems) · Tea, tincture, dried herb, ointment or salve, poultice

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

Yellow Toadflax: dosing

There is no well-established or standardized dose for yellow toadflax. Traditional preparations vary widely, and modern guidelines for safe amounts do not exist.If you choose to use a commercial product, follow the directions on the label and do not exceed them.

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

Read the full Yellow Toadflax monograph & all interactions
Keep checking

Other Drugs & Yellow Toadflax

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

0Major
0Moderate
0Minor
2,829No known interaction
No interaction 2,829 drugs checked — show the list
Evidence & sources

Yellow Toadflax References

The 1 sources that drive our Yellow Toadflax monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Yellow Toadflax is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Dietary and Herbal Supplements — NIH NCCIH 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 Yellow Toadflax and Mometasone, formoterol Together: Common Questions

Is it safe to take Yellow Toadflax with Mometasone, formoterol?
We do not list a known interaction between Yellow Toadflax and Mometasone, formoterol. 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.
Does Mometasone, formoterol interact with any supplements?
Yes. Mometasone, formoterol has documented interactions with 155 supplements in our database — Yellow Toadflax is not one of them. The Mometasone, formoterol 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 Mometasone, formoterol and Yellow Toadflax?

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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.