Drug & supplement interaction

Carqueja + Atenolol

Atenolol brand names: Tenormin, Atenix.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Carqueja and Atenolol 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

Carqueja and Atenolol

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 Atenolol and Carqueja 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.

Carqueja safety at a glance

Carqueja overall Use caution Limited human safety data; use cautiously and discuss with a healthcare professional.
Pregnancy Avoid Traditionally avoided and possibly linked to effects on the uterus; do not use.
Breastfeeding Avoid No reliable safety information during breastfeeding, so avoid it.

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

Still wondering about combining Atenolol and Carqueja? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Atenolol

Interactions in our licensed database are recorded against drug classes, not just single drug names. Atenolol is filed under 5 classifications — including beta-blockers, antihypertensive drugs, seizure threshold lowering drugs. Carqueja has documented interactions with 1 drug class — the most serious being antidiabetes drugs (moderate) — and none of Atenolol’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

Carqueja Does Interact With Other Medications

Carqueja has 86 moderate known drug interactions in our database — Atenolol isn’t one of them. If you take anything else, check it against the full list below.

Moderate 86 No known interaction 2,744 (incl. Atenolol)
Taking anything else?

Check Another of Your Medications Against Carqueja

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

What to actually watch for

What Atenolol’s Own FDA Label Lists

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

  • Memory problems Worth acting on
  • A slow heartbeat Worth acting on
  • A heart attack Worth acting on
  • Blood clots Worth acting on
  • Hallucinations Worth acting on
  • Heart failure Worth acting on
  • Fainting Worth acting on
  • Wheezing Worth acting on
  • An irregular heartbeat Worth acting on
  • Confusion Worth acting on

Showing the 10 most notable of 34 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 Atenolol. Read the label on DailyMed › Carqueja’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Carqueja side to compare — that is a limit of the record, not a statement that Carqueja has no side effects.

From our Q&A

Questions About Carqueja or Atenolol

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Carqueja or Atenolol, not necessarily both, but if one is close to what you were about to ask it will usually go further than a database entry can:

Not quite your question? Ask our pharmacists directly — it is free, there is no account required, and answers usually come back within 24 hours.

Everything else you take

See Every Supplement That Interacts With Atenolol

This page covers Carqueja only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Atenolol page lists 143 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), American Hellebore (major), American Mistletoe (major), Indian Snakeroot (major) and Tyramine (major).

By severity: 5 major · 118 moderate · 20 minor.

From our pharmacist’s overview on the Atenolol page

“Atenolol lowers blood pressure and slows the heart, so I want you to treat this list with real care. Of the 143 supplements and herbs on file, 119 push on your blood pressure one way or another, either dropping it further alongside atenolol, as fish oil can, or working against it, as tyramine does.”

Reviewed by 2 · Jul 18, 2026

Open the Atenolol interaction page

One more smart check

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

We hold 3 real supplement products containing Carqueja, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Carqueja. Even though Carqueja itself has no known interaction with Atenolol, 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 Carqueja and Atenolol 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 Carqueja
Top half

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

29 days ago today
Medication Atenolol
Top 5%

#74 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 Carqueja reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Carqueja and Atenolol records this page draws on were last updated June 22, 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 Carqueja

What is Carqueja?

  • Digestive upset and bloating
  • Liver and gallbladder support
  • Blood sugar control
  • Weight loss
  • Anti-inflammatory

Carqueja is a South American herb traditionally used as a bitter tea for digestion, liver complaints, and blood sugar. Human evidence is very limited, so its benefits are not well proven. Because safety data are thin, it should be avoided in pregnancy and breastfeeding and used cautiously by everyone else.

Baccharis trimera · Asteraceae · Aerial parts (stems and winged branches) · Tea (infusion or decoction), tincture, capsules, liquid extract

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

Carqueja: dosing

There is no well-established standardized dose for carqueja. Traditional use is most often as a tea made from the dried aerial parts, but the strength of teas, tinctures, and capsules varies widely between products.The safest approach is to follow the directions on the product label and not exceed the suggested amount.

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

Read the full Carqueja monograph & all interactions
Medication

About Atenolol

What Is Atenolol Used For?

Brand names: Tenormin, Atenix

Atenolol tablets are used to treat high blood pressure (hypertension) and angina pectoris (chest pain caused by narrowed coronary arteries). Lowering blood pressure reduces the risk of stroke and heart attack. Long-term use helps manage chronic chest pain.

Atenolol is also used in hemodynamically stable patients with a definite or suspected acute heart attack (myocardial infarction) to reduce the risk of cardiovascular death. Treatment is started as soon as the patient's condition allows, typically in a hospital setting.

See full Atenolol drug information
Keep checking

Other Drugs & Carqueja

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

0Major
86Moderate
0Minor
2,743No known interaction
86 Moderate 2,743 No interaction
Moderate

86 interactions

Showing 60 of 86 moderate interactions — see all 86 on the Carqueja page.

No interaction 2,743 drugs checked — show the list

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

Showing the 60 most looked-up of 2,743 medications checked with no known interaction — see the full Carqueja list.

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

Carqueja References

The 2 references that drive our Carqueja 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. Coelho MG, Reis PA, Gava VB, et al. Anti-arthritic effect and subacute toxicological evaluation of Baccharis genistelloides aqueous extract. Toxicol Lett 2004;154:69-80. PubMed
  2. Oliveira AC, Endringer DC, Amorim LA, et al. Effect of the extracts and fractions of Baccharis trimera and Syzygium cumini on glycaemia of diabetic and non-diabetic mice. J Ethnopharmacol 2005;102:465-9. 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 Carqueja and Atenolol Together: Common Questions

Is it safe to take Carqueja with Atenolol?
We do not list a known interaction between Carqueja and Atenolol. 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 Carqueja and Atenolol combination checked?
Interactions in our licensed database are recorded against drug classes. Atenolol is filed under 5 classifications, and Carqueja has documented interactions with 1 drug class — none of Atenolol'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 Carqueja interact with any other medications?
Yes. Carqueja has 86 documented drug interactions in our database — Atenolol 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 Atenolol interact with any supplements?
Yes. Atenolol has documented interactions with 143 supplements in our database — Carqueja is not one of them. The Atenolol 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

Carqueja monograph Uses, safety profile, and every drug interaction in one place Atenolol drug information The full plain-English guide to this medication Atenolol supplement interactions Every supplement checked against Atenolol, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Atenolol and Carqueja?

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.