Drug & supplement interaction

Cursed Buttercup + Dexamethasone

Dexamethasone brand names: Decadron, Hexadrol, Dexone, Ozurdex, Dexycu, and others.

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

We found no known interaction between Cursed Buttercup and Dexamethasone 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

Cursed Buttercup and Dexamethasone

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 Dexamethasone and Cursed Buttercup 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 Cursed Buttercup at all — not against Dexamethasone, 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.

Cursed Buttercup safety at a glance

Cursed Buttercup overall Avoid This plant is toxic and can cause skin blistering and serious poisoning if swallowed.
Pregnancy Likely Unsafe When used orally or topically. Oral use of cursed buttercup might stimulate uterine activity. Read the full pregnancy detail
Breastfeeding Likely Unsafe When used orally or topically. Oral use of cursed buttercup might stimulate uterine activity. 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 Dexamethasone and Cursed Buttercup? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Cursed Buttercup Itself Has Been Linked To

This is not an interaction — nothing below involves Dexamethasone. It is the side-effect record for Cursed Buttercup on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Cursed Buttercup, this list is the first place to look.

  • Diarrhea Additional detail

    “Orally, fresh cursed buttercup has been reported to cause severe irritation of the gastrointestinal tract, diarrhea, and colic (18).”

    Cursed Buttercup · Natural Medicines adverse-effect record, reported in diarrhea.

    1 source cited
    1. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

Everything above comes from the Natural Medicines adverse-effect record for Cursed Buttercup — expand a row for the licensed statement it rests on. We read the ADVERSE REACTIONS section of Dexamethasone’s FDA label too, and the two lists don’t meaningfully overlap — which is why no Dexamethasone column appears here.

Special populations

Cursed Buttercup in Pregnancy & Breastfeeding

Pregnancy And Lactation Likely Unsafe

When used orally or topically. Oral use of cursed buttercup might stimulate uterine activity.

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 Cursed Buttercup or Dexamethasone

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

This page covers Cursed Buttercup only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Dexamethasone page lists 221 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Grapefruit (major), Lily-of-the-valley (major), St. John's Wort (major) and Acacia Rigidula (moderate).

By severity: 4 major · 182 moderate · 35 minor.

From our pharmacist’s overview on the Dexamethasone page

“People take dexamethasone for serious reasons, a chemotherapy course, an autoimmune flare, brain swelling, so I want anyone on it to give its 221 supplement interactions genuine attention, starting with the four rated major. Grapefruit and St.”

Reviewed by 2 · Jul 18, 2026

Open the Dexamethasone interaction page

How much people look this up

Where Cursed Buttercup and Dexamethasone 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 Cursed Buttercup
Steady interest

#1,189 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Dexamethasone
Top 10%

#258 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 Cursed Buttercup reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Cursed Buttercup and Dexamethasone records this page draws on were last updated July 10, 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 Cursed Buttercup

What is Cursed Buttercup?

  • Traditional topical use for skin and joint complaints
  • Folk remedy for warts and skin growths (as a counterirritant)
  • Historical use for fevers
  • Traditional use for swelling or pain

Cursed Buttercup is a toxic wetland plant that can cause severe skin blistering and dangerous poisoning if eaten. It is not a safe or proven dietary supplement, and there is no reliable evidence supporting any medicinal use. Do not take it internally or apply it to your skin without medical supervision—in practice, it is best avoided entirely.

Ranunculus sceleratus · Ranunculaceae · Whole plant (leaves, stems, flowers); historically used topically · Fresh plant poultice or crushed leaves in traditional practice; not sold as a standardized supplement

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

Cursed Buttercup: dosing

There is no established or safe dose of Cursed Buttercup. It is not a recognized dietary supplement, and no reputable product provides standardized, tested amounts.Because the plant is toxic, the safest approach is to not use it at all.

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

Read the full Cursed Buttercup monograph & all interactions
Medication

About Dexamethasone

What Is Dexamethasone Used For?

Brand names: Decadron, Hexadrol, Dexone, Ozurdex, Dexycu, Hemady, Dextenza

Dexamethasone is used to treat a wide range of conditions depending on the form and route. Oral tablets and solutions treat severe allergic reactions (such as asthma, contact dermatitis, and seasonal allergic rhinitis), inflammatory skin diseases, endocrine disorders including adrenal insufficiency and congenital adrenal hyperplasia, gastrointestinal diseases such as ulcerative colitis and regional enteritis, blood disorders, rheumatic conditions, kidney disease, and respiratory conditions including tuberculosis complications. Hemady (oral tablet) is specifically approved, in combination with other medicines, for multiple myeloma in adults. TaperDex (6-day and 12-day oral tablet packs) are used for the same broad range of allergic, inflammatory, and endocrine conditions.

Injectable forms (intramuscular and intravenous) are used when oral treatment is not possible, covering endocrine emergencies, shock, rheumatic disorders, and more. Eye-specific products treat different conditions: Dextenza (intracanalicular insert) treats eye inflammation and pain after eye surgery and itching from allergic conjunctivitis. Ozurdex (intravitreal implant) treats macular edema from retinal vein occlusion and diabetic macular edema, and non-infectious uveitis in the back of the eye. Dexycu (intraocular injection) treats inflammation after eye surgery. Maxidex (ophthalmic suspension) and dexamethasone sodium phosphate eye drops treat steroid-responsive inflammatory conditions of the eye. The ophthalmic/otic solution also treats steroid-responsive inflammation of the outer ear canal. A topical ointment (Seacall) is used for skin conditions including contact dermatitis, eczema, and neurodermatitis.

Most-Reported Side Effects for Dexamethasone

From FAERS, the FDA’s public side-effect reporting system (308,307 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fatigue 17,772 reports
Diarrhea 17,597 reports
Nausea 14,727 reports
Plasma cell myeloma 14,363 reports
Pneumonia 14,122 reports
See full Dexamethasone drug information
Keep checking

Other Drugs & Cursed Buttercup

Browse every other medication we’ve checked against Cursed Buttercup — 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
2,829 No interaction
No interaction 2,829 drugs checked — show the list

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

Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Cursed Buttercup list.

See the full Cursed Buttercup interactions page
See every supplement checked against Dexamethasone, ranked by severity
Evidence & sources

Cursed Buttercup References

The 2 references that drive our Cursed Buttercup 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. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  2. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.

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 Cursed Buttercup and Dexamethasone Together: Common Questions

Is it safe to take Cursed Buttercup with Dexamethasone?
We do not list a known interaction between Cursed Buttercup and Dexamethasone. 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 Dexamethasone interact with any supplements?
Yes. Dexamethasone has documented interactions with 221 supplements in our database — Cursed Buttercup is not one of them. The Dexamethasone 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

Cursed Buttercup monograph Uses, safety profile, and every drug interaction in one place Dexamethasone drug information The full plain-English guide to this medication Dexamethasone supplement interactions Every supplement checked against Dexamethasone, 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 Dexamethasone and Cursed Buttercup?

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.