Drug & supplement interaction

Great Plantain + tislelizumab-jsgr

tislelizumab-jsgr brand name: Tevimbra.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Great Plantain and tislelizumab-jsgr 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

Great Plantain and tislelizumab-jsgr

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 tislelizumab-jsgr and Great Plantain 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.

Great Plantain safety at a glance

Great Plantain overall Use caution Generally considered well tolerated for most adults, but human safety data are limited.
Pregnancy Likely Unsafe When used orally because it can increase uterine tone. Read the full pregnancy detail
Breastfeeding Avoid Safety while breastfeeding is unknown, so avoid medicinal amounts.

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 tislelizumab-jsgr and Great Plantain? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for tislelizumab-jsgr

Interactions in our licensed database are recorded against drug classes, not just single drug names. tislelizumab-jsgr is filed under 2 classifications — nephrotoxic drugs, hepatotoxic drugs. Great Plantain has documented interactions with 1 drug class — the most serious being warfarin (coumadin) (moderate) — and none of tislelizumab-jsgr’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

Great Plantain Does Interact With Other Medications

Great Plantain has 2 moderate known drug interactions in our database — tislelizumab-jsgr 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 Great Plantain

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

What to actually watch for

What Great Plantain Itself Has Been Linked To

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

  • A skin rash Additional detail

    “Topically, application can cause allergic contact dermatitis in some individuals (4).”

    Great Plantain · Natural Medicines adverse-effect record, reported in dermatitis.

    1 source cited
    1. 4. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.

Everything above comes from the Natural Medicines adverse-effect record for Great Plantain — expand a row for the licensed statement it rests on. We haven’t matched tislelizumab-jsgr 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 tislelizumab-jsgr.

Special populations

Great Plantain in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally because it can increase uterine tone.

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 tislelizumab-jsgr

This page covers Great Plantain only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the tislelizumab-jsgr page lists 42 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Asarabacca (major), Beer (major), Siberian Cocklebur (major), Wine (major) and Aristolochia (moderate).

By severity: 4 major · 37 moderate · 1 minor.

From our pharmacist’s overview on the tislelizumab-jsgr page

“Alcohol, even ordinary beer and wine, sits at the top of my concerns for anyone receiving tislelizumab-jsgr (Tevimbra), an immunotherapy for certain cancers of the esophagus and stomach. Drugs in this class can provoke immune attacks on the liver, and 38 of the 42 supplement ingredients on this page add liver stress of their own, so ne…”

Reviewed by 2 · Jul 18, 2026

Open the tislelizumab-jsgr interaction page

How much people look this up

Where Great Plantain and tislelizumab-jsgr 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 Great Plantain
Steady interest

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

29 days ago today
Medication tislelizumab-jsgr
Steady interest

#2,695 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 Great Plantain reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Great Plantain and tislelizumab-jsgr 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 Great Plantain

What is Great Plantain?

  • Minor wounds and skin irritation
  • Insect bites and stings
  • Coughs and sore throat
  • Digestive upset
  • Mild inflammation

Great Plantain is a common weed traditionally used on the skin for minor wounds and bites, and as a tea for coughs or stomach upset. Human evidence for most of these uses is limited, though the plant appears generally well tolerated. Talk with your pharmacist or doctor before using it, especially if you are pregnant, breastfeeding, or have a health condition.

Plantago major · Plantaginaceae · Leaves and seeds · Tea, capsules, tinctures, topical salves and ointments, fresh crushed leaves (poultice)

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

Great Plantain: dosing

There is no well-established standardized dose for Great Plantain. Traditional use varies widely, and the amount of active compounds differs between products and plant sources.If you choose to use it, follow the directions on the product label and do not exceed the recommended amount. A pharmacist or doctor can help you decide whether it is appropriate for you and review your other medications and health conditions first.

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

Read the full Great Plantain monograph & all interactions
Keep checking

Other Drugs & Great Plantain

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

0Major
2Moderate
0Minor
2,827No known interaction
Moderate

2 interactions

No interaction 2,827 drugs checked — show the list
Evidence & sources

Great Plantain References

The 3 references that drive our Great Plantain 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. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.
  2. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  3. Adom MB, Taher M, Mutalabisin MF, et al. Chemical constituents and medical benefits of Plantago major. Biomed Pharmacother. 2017;96:348-360. 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 Great Plantain and tislelizumab-jsgr Together: Common Questions

Is it safe to take Great Plantain with tislelizumab-jsgr?
We do not list a known interaction between Great Plantain and tislelizumab-jsgr. 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 Great Plantain and tislelizumab-jsgr combination checked?
Interactions in our licensed database are recorded against drug classes. tislelizumab-jsgr is filed under 2 classifications, and Great Plantain has documented interactions with 1 drug class — none of tislelizumab-jsgr'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 Great Plantain interact with any other medications?
Yes. Great Plantain has 2 documented drug interactions in our database — tislelizumab-jsgr 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 tislelizumab-jsgr interact with any supplements?
Yes. tislelizumab-jsgr has documented interactions with 42 supplements in our database — Great Plantain is not one of them. The tislelizumab-jsgr 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 tislelizumab-jsgr and Great Plantain?

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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.