Drug & supplement interaction

Zedoary + Gemcitabine

Gemcitabine brand name: Gemzar.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Zedoary and Gemcitabine 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

Zedoary and Gemcitabine

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 Gemcitabine and Zedoary 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.

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.

Zedoary safety at a glance

Zedoary overall Use caution Generally used in food amounts, but human safety data for supplement doses is limited.
Pregnancy Likely Unsafe When used orally. Zedoary is thought to have abortifacient effects; avoid using. Read the full pregnancy detail
Breastfeeding Avoid No reliable safety information during breastfeeding, so it is best avoided.

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 Gemcitabine and Zedoary? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Gemcitabine

Interactions in our licensed database are recorded against drug classes, not just single drug names. Gemcitabine is filed under 2 classifications — antineoplastics, hepatotoxic drugs. Zedoary has documented interactions with 1 drug class — the most serious being cytochrome p450 3a4 (cyp3a4) substrates (moderate) — and none of Gemcitabine’s classifications are among them.

Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.

Keep it in perspective

Zedoary Does Interact With Other Medications

Zedoary has 643 moderate known drug interactions in our database — Gemcitabine isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Zedoary

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

What to actually watch for

What Gemcitabine’s Own FDA Label Lists

This is not an interaction — none of it involves Zedoary. These are the most notable effects listed in the ADVERSE REACTIONS section of Gemcitabine’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.

  • A stroke or mini-stroke Worth acting on
  • A heart attack Worth acting on
  • A low platelet count Worth acting on mentioned in 7.0% of FDA reports for Gemcitabine
  • An irregular heartbeat Worth acting on
  • Anemia Worth acting on mentioned in 5.8% of FDA reports for Gemcitabine
  • A low white blood cell count Worth acting on mentioned in 6.2% of FDA reports for Gemcitabine
  • Kidney problems Worth acting on
  • Raised blood pressure Worth acting on
  • Shortness of breath Worth acting on
  • Liver problems 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 Gemcitabine. Read the label on DailyMed › Where a percentage is shown, it is the share of 53,020 voluntary FDA FAERS reports for Gemcitabine that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Zedoary’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Zedoary side to compare — that is a limit of the record, not a statement that Zedoary has no side effects.

Special populations

Zedoary in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally. Zedoary is thought to have abortifacient effects; avoid using.

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

Everything else you take

See Every Supplement That Interacts With Gemcitabine

This page covers Zedoary only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Gemcitabine page lists 39 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), Ashwagandha (moderate) and Black Cohosh (moderate).

By severity: 3 major · 35 moderate · 1 minor.

Open the Gemcitabine interaction page

One more smart check

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

We hold 83 real supplement products containing Zedoary, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Zedoary. Even though Zedoary itself has no known interaction with Gemcitabine, 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 Zedoary and Gemcitabine 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 Zedoary
Top half

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

29 days ago today
Medication Gemcitabine
Steady interest

#2,103 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 Zedoary reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Zedoary and Gemcitabine records this page draws on were last updated July 11, 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 Zedoary

What is Zedoary?

  • Digestive upset and bloating
  • Loss of appetite
  • Menstrual discomfort
  • Inflammation and pain
  • Traditional flavoring and tonic

Zedoary is a ginger-family root used in traditional Asian and Indian medicine, mostly for digestion and as a spice. Scientific evidence in humans is very limited, so its benefits are not well proven. Talk with your pharmacist or doctor before using it, and avoid it during pregnancy.

Curcuma zedoaria · Zingiberaceae · Rhizome (root) and essential oil · Dried powder, capsules, tinctures, essential oil, tea

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

Zedoary: dosing

There is no standardized, well-established dose for zedoary. The right amount depends on the form (powder, capsule, tincture, or oil) and the product's strength.The safest approach is to follow the directions on the product label and not exceed them.

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

Read the full Zedoary monograph & all interactions
Medication

About Gemcitabine Injection

What Is Gemcitabine Injection Used For?

Brand name: Gemzar

Gemcitabine Injection (available as Avgemsi, Gemcitabine, and Infugem) is used to treat several types of cancer. It is given in combination with carboplatin for advanced ovarian cancer that has returned at least 6 months after platinum-based treatment, and in combination with paclitaxel as a first-line treatment for metastatic breast cancer after prior chemotherapy with an anthracycline (a specific class of chemo drug).

It is also given in combination with cisplatin for non-small cell lung cancer (NSCLC) that cannot be removed surgically or has spread. For pancreatic cancer that is locally advanced or has spread, it is used as a single agent — including in patients who have already been treated with fluorouracil.

Most-Reported Side Effects for Gemcitabine

From FAERS, the FDA’s public side-effect reporting system (53,020 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Disease progression 4,850 reports
Thrombocytopenia 3,706 reports
Neutropenia 3,295 reports
Anemia 3,084 reports
Malignant neoplasm progression 2,912 reports
See full Gemcitabine Injection drug information
Keep checking

Other Drugs & Zedoary

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

0Major
643Moderate
0Minor
2,186No known interaction
Moderate

643 interactions

Showing 60 of 643 moderate interactions — see all 643 on the Zedoary page.

No interaction 2,186 drugs checked — show the list
Evidence & sources

Zedoary References

The 5 references that drive our Zedoary 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. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  2. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  3. Tariq S, Imran M, Mushtaq Z, Asghar N. Phytopreventive antihypercholesterolemic and antilipidemic perspectives of zedoary (Curcuma Zedoaria Roscoe) herbal tea. Lipids Health Dis 2016;15:39. doi: 10.1186/s12944-016-0210-y.
  4. Rodseeda C, Yamanont P, Pinthong D, Korprasertthaworn P. Inhibitory effects of Thai herbal extracts on the cytochrome P450 3A-mediated the metabolism of gefitinib, lapatinib and sorafenib. Toxicol Rep 2022;9:1846-1852. PubMed
  5. Niu LQ, Xiao L, Cai QH, et al. Comparative effectiveness of Chinese herbal injections treating for rotavirus enteritis in children: A systematic review and Bayesian network meta-analysis. Integr Med Res 2023;12(2):100944. 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 Zedoary and Gemcitabine Together: Common Questions

Is it safe to take Zedoary with Gemcitabine?
We do not list a known interaction between Zedoary and Gemcitabine. 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.
How was the Zedoary and Gemcitabine combination checked?
Interactions in our licensed database are recorded against drug classes. Gemcitabine is filed under 2 classifications, and Zedoary has documented interactions with 1 drug class — none of Gemcitabine's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Zedoary interact with any other medications?
Yes. Zedoary has 643 documented drug interactions in our database — Gemcitabine is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Gemcitabine interact with any supplements?
Yes. Gemcitabine has documented interactions with 39 supplements in our database — Zedoary is not one of them. The Gemcitabine 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 Gemcitabine and Zedoary?

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.