Drug & supplement interaction

Trailing Arbutus + Cabotegravir

Cabotegravir brand name: Apretude.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Sep 27, 2026
The bottom line No known interaction

We found no known interaction between Trailing Arbutus and Cabotegravir 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. Additionally, although there is no interaction, the two are separately associated with some of the same side effects, which would make a new symptom harder to attribute to one or the other.

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Interaction report

Trailing Arbutus and Cabotegravir

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 Cabotegravir and Trailing Arbutus 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 Trailing Arbutus at all — not against Cabotegravir, 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.

Trailing Arbutus safety at a glance

Trailing Arbutus overall Not established There is very little human research, so its safety is not well established.
Pregnancy Avoid No reliable safety data exist, so avoid use during pregnancy.
Breastfeeding Avoid No reliable safety data exist, so avoid use while breastfeeding.

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

Still wondering about combining Cabotegravir and Trailing Arbutus? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Trailing Arbutus and Cabotegravir May Share Several of the Same Side Effects

This is not an interaction. Neither one changes how your body handles the other, and nothing here says they react together. What our sources do show is that each has separately been linked to the effects below — so taking both can make those effects more likely to turn up, and harder to pin on one or the other if they do. One of them is worth acting on rather than waiting out — marked below.

  • Liver problems Worth acting on Additional detail

    Trailing Arbutus

    “Orally, chronic use of trailing arbutus may lead to hydroquinone toxicity. Symptoms of toxicity include tinnitus, vomiting, delirium, convulsions, and collapse (11). Liver damage, cachexia, hemolytic anemia, and hair depigmentation may also occur with long term use (18).”

    Trailing Arbutus · Natural Medicines adverse-effect record, reported in anemia.

    2 sources cited
    1. 11. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
    2. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

    Cabotegravir

    Listed in the ADVERSE REACTIONS section of the FDA label for Cabotegravir. Read the label on DailyMed ›

  • Vomiting Additional detail

    Trailing Arbutus

    Recorded for Trailing Arbutus in the same Natural Medicines adverse-effect record shown under Liver problems above.

    Cabotegravir

    Listed in the ADVERSE REACTIONS section of the FDA label for Cabotegravir. Read the label on DailyMed ›

Reported for Trailing Arbutus but not commonly for Cabotegravir: pain or burning when passing urine, bleeding or bruising, seizures and confusion.

Effects for Cabotegravir come from the ADVERSE REACTIONS section of its FDA label; effects for Trailing Arbutus come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 15,229 voluntary FDA FAERS reports for Cabotegravir that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Everything else you take

See Every Supplement That Interacts With Cabotegravir

This page covers Trailing Arbutus only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Cabotegravir page lists 12 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Breadfruit (moderate), Brussels Sprout (moderate), Cabbage (moderate), Calcium D-glucarate (moderate) and Cannabidiol (cbd) (moderate).

By severity: 11 moderate · 1 minor.

From our pharmacist’s overview on the Cabotegravir page

“Cabotegravir (Apretude) prevents HIV only while its blood level stays steady, which is why this particular list, mild as it looks, deserves a real read. Every one of the interactions works through the same pathway, glucuronidation, the process the body uses to clear the drug.”

Reviewed by 2 · Jul 18, 2026

Open the Cabotegravir interaction page

One more smart check

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

We hold 12 real supplement products containing Trailing Arbutus, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Trailing Arbutus. Even though Trailing Arbutus itself has no known interaction with Cabotegravir, 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 Trailing Arbutus and Cabotegravir 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 Trailing Arbutus
Steady interest

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

29 days ago today
Medication Cabotegravir
Top half

#1,289 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 Trailing Arbutus reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 27, 2026. The Trailing Arbutus and Cabotegravir 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 Trailing Arbutus

What is Trailing Arbutus?

  • Urinary tract complaints
  • Bladder irritation
  • Kidney support (traditional)
  • Mild diuretic

Trailing Arbutus is a low-growing North American woodland plant traditionally used in folk medicine for urinary and bladder complaints. There is very little modern scientific research on its safety or effectiveness, so it cannot be recommended with confidence. Talk to your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Epigaea repens · Ericaceae · Leaves (occasionally the whole flowering plant) · Tea, tincture, dried herb

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

Trailing Arbutus: dosing

There is no established or standardized dose for Trailing Arbutus. It has not been studied enough to know a safe and effective amount, and quality of commercial products is not guaranteed.If you choose to use a product that contains it, follow the directions on the label and do not exceed them.

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

Read the full Trailing Arbutus monograph & all interactions
Medication

About Cabotegravir

What Is Cabotegravir Used For?

Brand name: Apretude

Vocabria (cabotegravir) tablets are used in combination with rilpivirine (Edurant) to treat HIV-1 infection in adults and adolescents aged 12 and older who weigh at least 35 kg and whose HIV is already virologically suppressed (virus levels undetectable or very low on their current regimen). Vocabria tablets serve as a short-term oral lead-in — taken for roughly one month — before switching to long-acting injectable therapy.

Cabotegravir tablets are also used as an oral lead-in for HIV-1 pre-exposure prophylaxis (PrEP) — helping HIV-negative adults and adolescents (weighing at least 35 kg) confirm they tolerate the drug before starting injectable PrEP. Both uses require confirmed HIV-negative status before starting.

Most-Reported Side Effects for Cabotegravir

From FAERS, the FDA’s public side-effect reporting system (15,229 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Injection site pain 1,618 reports
Viral load increased 962 reports
Virologic failure 684 reports
Product use in unapproved therapeutic environment 683 reports
Pathogen resistance 575 reports
See full Cabotegravir drug information
Keep checking

Other Drugs & Trailing Arbutus

Browse every other medication we’ve checked against Trailing Arbutus — 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 Trailing Arbutus 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 Trailing Arbutus list.

See the full Trailing Arbutus interactions page
See every supplement checked against Cabotegravir, ranked by severity
Evidence & sources

Trailing Arbutus References

The 2 references that drive our Trailing Arbutus 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. Leung AY, Foster S. Encyclopedia of Common Natural Ingredients Used in Food, Drugs and Cosmetics. 2nd ed. New York, NY: John Wiley & Sons, 1996.
  2. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.

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 Trailing Arbutus and Cabotegravir Together: Common Questions

Is it safe to take Trailing Arbutus with Cabotegravir?
We do not list a known interaction between Trailing Arbutus and Cabotegravir. 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.
Do Trailing Arbutus and Cabotegravir have any of the same side effects?
Yes — our sources link each of them separately to 2 of the same effects. That is not an interaction: neither changes how your body handles the other. It does mean that if one of those effects turns up, it can be harder to tell which one is behind it. They are listed on this page with the source behind each.
Does Cabotegravir interact with any supplements?
Yes. Cabotegravir has documented interactions with 12 supplements in our database — Trailing Arbutus is not one of them. The Cabotegravir 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

Trailing Arbutus monograph Uses, safety profile, and every drug interaction in one place Cabotegravir drug information The full plain-English guide to this medication Cabotegravir supplement interactions Every supplement checked against Cabotegravir, 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 Cabotegravir and Trailing Arbutus?

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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.