Drug & supplement interaction

Yucca + Fulvestrant

Fulvestrant brand name: Faslodex.

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 Yucca and Fulvestrant 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

Yucca and Fulvestrant

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 Fulvestrant and Yucca 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 Yucca at all — not against Fulvestrant, 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.

Yucca safety at a glance

Yucca overall Use caution Generally considered low-risk in food amounts, but supplement safety is not well studied.
Pregnancy Avoid Not enough safety information is available, so it is best avoided.
Breastfeeding Avoid Safety while breastfeeding is unknown, so avoid use.

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

Still wondering about combining Fulvestrant and Yucca? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Yucca Itself Has Been Linked To

This is not an interaction — nothing below involves Fulvestrant. It is the side-effect record for Yucca on its own, from the licensed Natural Medicines monograph. If something new turns up after you add Yucca, this list is the first place to look. One entry is worth acting on rather than waiting out — marked below.

  • Hives Worth acting on Additional detail

    “Topically, yucca has been reported to cause phytodermatitis. In one case report, an atopic gardener developed contact urticaria after occupational exposure to weeping fig, spathe flower, and yucca. Allergen skin tests were positive for all three plants.”

    Yucca · Natural Medicines adverse-effect record, reported in urticaria.

    2 sources cited
    1. 68294. Poljacki, M., Paravina, M., Jovanovic, M., Subotic, M., and Duran, V. [Contact allergic dermatitis caused by plants]. Med Pregl. 1993;46(9-10):371-375.
    2. 49961. <p><span>Kanerva, L., Estlander, T., Petman, L., Makinen-Kiljunen, S. Occupational allergic contact urticaria to yucca (Yucca aloifolia), weeping fig (Ficus benjamina), and spathe flower (Spathiphyllum wallisii). Allergy. 2001;56(10): 1008-11.</span></p>
  • A stuffy or runny nose Additional detail

    “Environmental exposure to yucca has been associated with allergic rhinitis in 59 patients who exhibited sensitization to yucca after allergen skin testing.”

    Yucca · Natural Medicines adverse-effect record, reported in allergic rhinitis (hay fever).

    1 source cited
    1. 86902. Mahillon, V., Saussez, S., and Michel, O. High incidence of sensitization to ornamental plants in allergic rhinitis. Allergy 2006;61(9):1138-1140. PubMed

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

Everything else you take

See Every Supplement That Interacts With Fulvestrant

This page covers Yucca only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Fulvestrant page lists 1 supplement it has a documented interaction with, worst first, each one explained.

The most serious there right now: Dhea (moderate).

By severity: 1 moderate.

Open the Fulvestrant interaction page

One more smart check

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

We hold 370 real supplement products containing Yucca, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Yucca. Even though Yucca itself has no known interaction with Fulvestrant, another ingredient on your label might. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Yucca and Fulvestrant 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 Yucca
Top half

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

29 days ago today
Medication Fulvestrant
Steady interest

#1,971 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 Yucca reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Yucca and Fulvestrant 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 Yucca

What is Yucca?

  • Joint pain and arthritis
  • Digestive health
  • High cholesterol
  • Inflammation
  • High blood pressure

Yucca is a desert plant traditionally used for joint pain, arthritis, and digestion, and it contains compounds called saponins thought to have anti-inflammatory effects. Human evidence for these uses is very limited, so it should not replace proven treatments. Talk to your pharmacist or doctor before trying it, especially if you are pregnant, breastfeeding, or take other medicines.

Yucca schidigera · Asparagaceae · Root, stem (trunk), and leaves · Capsules, tablets, powder, liquid extract, and tea

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

Yucca: dosing

There is no well-established standard dose for yucca supplements. Doses vary widely between products, and there is not enough research to recommend a specific amount.If you choose to try yucca, follow the directions on the product label and do not exceed them. A pharmacist or doctor can help you decide whether it is appropriate for you and review it against your other medications and health conditions.

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

Read the full Yucca monograph & all interactions
Medication

About Fulvestrant Injection

What Is Fulvestrant Injection Used For?

Brand name: Faslodex

Fulvestrant injection treats hormone receptor (HR)-positive advanced breast cancer in postmenopausal women. It can be used alone for women who have not yet had endocrine (hormone-blocking) therapy, or for women whose cancer has grown despite endocrine therapy.

It is also used in combination with other medicines — palbociclib, abemaciclib, or ribociclib — for HR-positive, HER2-negative advanced or metastatic breast cancer in women whose disease has progressed after endocrine therapy. Fulvestrant injection combined with ribociclib may also be used as an initial hormone-based treatment in this setting.

Most-Reported Side Effects for Fulvestrant

From FAERS, the FDA’s public side-effect reporting system (32,843 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Malignant neoplasm progression 4,229 reports
Fatigue 4,182 reports
Nausea 3,029 reports
Diarrhea 2,623 reports
Neutropenia 2,485 reports
See full Fulvestrant Injection drug information
Keep checking

Other Drugs & Yucca

Browse every other medication we’ve checked against Yucca — 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 Yucca 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 Yucca list.

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

Yucca References

The 3 references that drive our Yucca 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. <p><span>Kanerva, L., Estlander, T., Petman, L., Makinen-Kiljunen, S. Occupational allergic contact urticaria to yucca (Yucca aloifolia), weeping fig (Ficus benjamina), and spathe flower (Spathiphyllum wallisii). Allergy. 2001;56(10): 1008-11.</span></p>
  2. Poljacki, M., Paravina, M., Jovanovic, M., Subotic, M., and Duran, V. [Contact allergic dermatitis caused by plants]. Med Pregl. 1993;46(9-10):371-375.
  3. Mahillon, V., Saussez, S., and Michel, O. High incidence of sensitization to ornamental plants in allergic rhinitis. Allergy 2006;61(9):1138-1140. PubMed

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 Yucca and Fulvestrant Together: Common Questions

Is it safe to take Yucca with Fulvestrant?
We do not list a known interaction between Yucca and Fulvestrant. 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 Fulvestrant interact with any supplements?
Yes. Fulvestrant has documented interactions with 1 supplement in our database — Yucca is not one of them. The Fulvestrant 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

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

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.