Drug & supplement interaction

Bog Labrador Tea + tislelizumab-jsgr

tislelizumab-jsgr brand name: Tevimbra.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 13, 2026
The bottom line No known interaction

We found no known interaction between Bog Labrador Tea 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

Bog Labrador Tea 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 Bog Labrador Tea 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.

Bog Labrador Tea safety at a glance

Bog Labrador Tea overall Use caution Generally used as a mild tea, but it can contain potentially toxic compounds, so use small amounts and avoid strong or prolonged brews.
Pregnancy Unsafe When used orally; bog Labrador tea might induce abortion. Read the full pregnancy detail
Breastfeeding Avoid Safety is unknown; avoid while breastfeeding.

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 Bog Labrador Tea? 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. Bog Labrador Tea has documented interactions with 1 drug class — the most serious being cytochrome p450 3a4 (cyp3a4) substrates (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

Bog Labrador Tea Does Interact With Other Medications

Bog Labrador Tea has 643 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.

Moderate 643 No known interaction 2,187 (incl. tislelizumab-jsgr)
Taking anything else?

Check Another of Your Medications Against Bog Labrador Tea

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

What to actually watch for

What Bog Labrador Tea Itself Has Been Linked To

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

  • Seizures Worth acting on Additional detail

    “Orally, frequent consumption of bog Labrador tea in large quantities can cause mild central nervous system depression, including symptoms of dizziness, drowsiness and exhaustion. Conversely, bog Labrador tea containing large quantities of the constituent ledol can cause central nervous system excitation in a dose-dependent manner.”

    Bog Labrador Tea · Natural Medicines adverse-effect record, reported in depression.

    3 sources cited
    1. 6. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
    2. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
    3. 97164. Dampc A, Luczkiewicz M. Bog Labrador tea--the aromatic beverage and spice: a review of origin, processing and safety. J Sci Food Agric. 2015;95(8):1577-83. PubMed
  • Passing urine more often Additional detail

    “Orally, bog Labrador tea seems to be generally well tolerated when consumed in small amounts. However, frequent consumption of bog Labrador tea in large quantities can cause vomiting, gastroenteritis, diarrhea, diuresis, and central nervous system depression including symptoms of dizziness, drowsiness, and exhaustion.”

    Bog Labrador Tea · Natural Medicines adverse-effect record, reported in depression.

    3 sources cited
    1. 6. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
    2. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
    3. 97164. Dampc A, Luczkiewicz M. Bog Labrador tea--the aromatic beverage and spice: a review of origin, processing and safety. J Sci Food Agric. 2015;95(8):1577-83. PubMed
  • Drowsiness / Dizziness Additional detail

    Recorded for Bog Labrador Tea in the same Natural Medicines adverse-effect record shown under Passing urine more often above.

  • Diarrhea / Vomiting Additional detail

    “Orally, bog Labrador tea can cause gastrointestinal irritation resulting in vomiting, gastroenteritis, and diarrhea (6,18,97164).”

    Bog Labrador Tea · Natural Medicines adverse-effect record, reported in diarrhea.

    3 sources cited
    1. 6. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
    2. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
    3. 97164. Dampc A, Luczkiewicz M. Bog Labrador tea--the aromatic beverage and spice: a review of origin, processing and safety. J Sci Food Agric. 2015;95(8):1577-83. PubMed

Everything above comes from the Natural Medicines adverse-effect record for Bog Labrador Tea — 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

Bog Labrador Tea in Pregnancy & Breastfeeding

Pregnancy Unsafe

When used orally; bog Labrador tea might induce abortion.

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 Bog Labrador Tea 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 Bog Labrador Tea 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 Bog Labrador Tea
Steady interest

#1,075 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication tislelizumab-jsgr
Steady interest

#2,776 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 Bog Labrador Tea reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Bog Labrador Tea 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 Bog Labrador Tea

What is Bog Labrador Tea?

Bog Labrador Tea
  • Coughs and respiratory complaints
  • Digestive upset and diarrhea
  • Anxiety and stress
  • As a warm beverage
  • Aches and pains (traditional use)

Bog Labrador tea is a wetland shrub whose leaves have long been brewed as a traditional beverage and folk remedy, especially among Indigenous peoples of North America. There is very little human research to confirm any health benefit, and the plant is closely related to species that contain toxic compounds, so it should be used cautiously and in moderation. Pregnant or breastfeeding people should avoid it, and anyone considering it should talk with a pharmacist or doctor first.

Rhododendron groenlandicum · Ericaceae · Leaves (used for tea); essential oil from leaves · Dried leaf tea, infusions, tinctures, essential oil

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

Bog Labrador Tea: dosing

There is no established or standardized dose for Bog Labrador tea. Traditionally, a small amount of dried leaves is steeped in hot water to make a light beverage, and overly strong or long-steeped brews are avoided because of possible toxic compounds.If you choose to use a commercial product, follow the directions on the label and do not exceed them.

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

Read the full Bog Labrador Tea monograph & all interactions
Keep checking

Other Drugs & Bog Labrador Tea

Browse every other medication we’ve checked against Bog Labrador Tea — 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
643 Moderate 2,186 No interaction
Moderate

643 interactions

Showing 60 of 643 moderate interactions — see all 643 on the Bog Labrador Tea page.

No interaction 2,186 drugs checked — show the list

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

Showing the 60 most looked-up of 2,186 medications checked with no known interaction — see the full Bog Labrador Tea list.

See the full Bog Labrador Tea interactions page
See every supplement checked against tislelizumab-jsgr, ranked by severity
Evidence & sources

Bog Labrador Tea References

The 4 references that drive our Bog Labrador Tea 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. The Review of Natural Products by Facts and Comparisons. St. Louis, MO: Wolters Kluwer Co., 1999.
  2. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  3. Dampc A, Luczkiewicz M. Bog Labrador tea--the aromatic beverage and spice: a review of origin, processing and safety. J Sci Food Agric. 2015;95(8):1577-83. PubMed
  4. Tam TW, Liu R, Saleem A, et al. The effect of Cree traditional medicinal teas on the activity of human cytochrome P450-mediated metabolism. J Ethnopharmacol. 2014;155(1):841-6. 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 Bog Labrador Tea and tislelizumab-jsgr Together: Common Questions

Is it safe to take Bog Labrador Tea with tislelizumab-jsgr?
We do not list a known interaction between Bog Labrador Tea 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 Bog Labrador Tea and tislelizumab-jsgr combination checked?
Interactions in our licensed database are recorded against drug classes. tislelizumab-jsgr is filed under 2 classifications, and Bog Labrador Tea 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 Bog Labrador Tea interact with any other medications?
Yes. Bog Labrador Tea has 643 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 — Bog Labrador Tea 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

Where next

Keep Exploring

Bog Labrador Tea monograph Uses, safety profile, and every drug interaction in one place tislelizumab-jsgr supplement interactions Every supplement checked against tislelizumab-jsgr, 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 4 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

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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.