Drug & supplement interaction

Yucca + Interferon Alfa-2b

Interferon Alfa-2b brand names: Rebetron, Intron A, Viraferon.

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 Interferon Alfa-2b 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.

Know someone taking this? Share
Facebook Post Reddit Email
On this page
Interaction report

Yucca and Interferon Alfa-2b

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 Interferon Alfa-2b 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 Interferon Alfa-2b, 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 Interferon Alfa-2b 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 Interferon Alfa-2b. 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 haven’t matched Interferon Alfa-2b to its FDA label in our system yet, so we can’t compare its own side-effect list here — the leaflet that comes with your prescription is the authoritative list for Interferon Alfa-2b.

Everything else you take

See Every Supplement That Interacts With Interferon Alfa-2b

This page covers Yucca only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Interferon Alfa-2b page lists 57 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Beer (major), Siberian Cocklebur (major), Wine (major), Alfalfa (moderate) and Angelica Archangelica (moderate).

By severity: 3 major · 53 moderate · 1 minor.

From our pharmacist’s overview on the Interferon Alfa-2b page

“People taking interferon alfa-2b (Intron A, Rebetron) are usually treating hepatitis or a cancer, so the liver may already be under strain, and that is exactly where most of this list points. Of the 57 supplements on file, 38 can add to liver stress, and all three major-rated interactions sit in that group: Siberian cocklebur, which ha…”

Reviewed by 2 · Jul 18, 2026

Open the Interferon Alfa-2b 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 Interferon Alfa-2b, 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 Interferon Alfa-2b 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

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

29 days ago today
Medication Interferon Alfa-2b
Steady interest

#2,433 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 Interferon Alfa-2b 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 Interferon Alfa-2b Injection

What Is Interferon Alfa-2b Injection Used For?

Brand names: Rebetron, Intron A, Viraferon

  • Interferon alfa-2b injection is used to treat a number of conditions.

  • Interferon alfa-2b injection is used

    • alone or in combination with ribavirin (Copegus, Rebetol, Ribasphere) to treat chronic (long-term) hepatitis C infection (swelling of the liver caused by a virus) in people who show signs of liver damage,

    • to treat chronic hepatitis B infection (swelling of the liver caused by a virus) in people who show signs of liver damage,

    • to treat hairy cell leukemia (a white blood cell cancer),

    • to treat genital warts,

    • to treat Kaposi's sarcoma (a type of cancer that causes abnormal tissue to grow on different parts of the body) related to acquired immunodeficiency syndrome (AIDS),

    • to treat malignant melanoma (a cancer that begins in certain skin cells) in certain people who have had surgery to remove the cancer,

    • along with another medication to treat follicular non-Hodgkin's lymphoma (NHL; a slow-growing blood cancer).

  • Interferon alfa-2b is in a class of medications called immunomodulators. Interferon alfa-2b works to treat hepatitis C virus (HCV) and hepatitis B virus (HBV) by decreasing the amount virus in the body. Interferon alfa-2b may not cure hepatitis B or hepatitis C or prevent you from developing complications from these infections such as cirrhosis (scarring) of the liver, liver failure, or liver cancer. It also may not prevent the spread of hepatitis B or C to other people. It is not known exactly how interferon alfa-2b works to treat cancer or genital warts.

See full Interferon Alfa-2b 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 Interferon Alfa-2b, 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 Interferon Alfa-2b Together: Common Questions

Is it safe to take Yucca with Interferon Alfa-2b?
We do not list a known interaction between Yucca and Interferon Alfa-2b. 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 Interferon Alfa-2b interact with any supplements?
Yes. Interferon Alfa-2b has documented interactions with 57 supplements in our database — Yucca is not one of them. The Interferon Alfa-2b 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 Interferon Alfa-2b Injection drug information The full plain-English guide to this medication Interferon Alfa-2b supplement interactions Every supplement checked against Interferon Alfa-2b, 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 Interferon Alfa-2b and Yucca?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.