Drug & supplement interaction

Herb Robert + Mirabegron

Mirabegron brand name: Myrbetriq.

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

We found no known interaction between Herb Robert and Mirabegron 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

Herb Robert and Mirabegron

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 Mirabegron and Herb Robert 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 Herb Robert at all — not against Mirabegron, 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.

Herb Robert safety at a glance

Herb Robert overall Use caution Generally used in small amounts traditionally, but human safety data are very limited.
Pregnancy Avoid Not enough safety information, so it is best avoided during pregnancy.
Breastfeeding Avoid No reliable safety data exist for nursing mothers, so avoid use.

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

Still wondering about combining Mirabegron and Herb Robert? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Herb Robert and Mirabegron 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.

  • A severe skin reaction Worth acting on Additional detail

    Herb Robert

    “Topically, Herb Robert can cause contact dermatitis. There are at least two cases of known contact sensitization of elderly individuals to Herb Robert through gardening. One case resulted in an erythema multiforme-like eruption requiring treatment with steroids.”

    Herb Robert · Natural Medicines adverse-effect record, reported in dermatitis.

    2 sources cited
    1. 99144. Svendsen MT, Andersen KE, Thormann H, Paulsen E. Contact sensitization to Geranium robertianum L. in an amateur gardener. Contact Dermatitis. 2015;72(6):420-1.
    2. 99146. Badaoui A, Pecquet C, Fargeas C, Mahé E. Contact dermatitis caused by Geranium robertianum with erythema multiforme-like reaction. Contact Dermatitis. 2017;77(6):423-424.

    Mirabegron

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

  • A skin rash Additional detail

    Herb Robert

    “There is currently a limited amount of information on the adverse effects of Herb Robert. Topically, Herb Robert has been reported to cause allergic contact dermatitis.”

    Herb Robert · Natural Medicines adverse-effect record, reported in dermatitis.

    2 sources cited
    1. 99144. Svendsen MT, Andersen KE, Thormann H, Paulsen E. Contact sensitization to Geranium robertianum L. in an amateur gardener. Contact Dermatitis. 2015;72(6):420-1.
    2. 99146. Badaoui A, Pecquet C, Fargeas C, Mahé E. Contact dermatitis caused by Geranium robertianum with erythema multiforme-like reaction. Contact Dermatitis. 2017;77(6):423-424.

    Mirabegron

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

Effects for Mirabegron come from the ADVERSE REACTIONS section of its FDA label; effects for Herb Robert come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 38,466 voluntary FDA FAERS reports for Mirabegron 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.

From our Q&A

Questions About Herb Robert or Mirabegron

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Herb Robert or Mirabegron, 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 Mirabegron

This page covers Herb Robert only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Mirabegron page lists 20 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Fever Bark (moderate) and Glucomannan (moderate).

By severity: 1 major · 10 moderate · 9 minor.

From our pharmacist’s overview on the Mirabegron page

“Mirabegron (Myrbetriq) treats overactive bladder only if enough of the pill actually gets absorbed, and that is exactly where most of this list hits. Seventeen of the 20 supplements on file, mostly fibers, gums, and charcoals, can change how much of an oral drug your gut takes up.”

Reviewed by 2 · Jul 18, 2026

Open the Mirabegron interaction page

How much people look this up

Where Herb Robert and Mirabegron 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 Herb Robert
Steady interest

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

29 days ago today
Medication Mirabegron
Steady interest

#2,292 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 Herb Robert reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Herb Robert and Mirabegron 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 Herb Robert

What is Herb Robert?

Herb Robert
  • Digestive upset
  • Wound and skin care
  • Sore throat and mouth irritation
  • Respiratory complaints
  • General 'detox' tonic

Herb Robert is a traditional European herb used for digestion, wounds, and minor inflammation, but there is very little human research to confirm it works for any condition. It is likely fine in small amounts as a tea for most healthy adults, but its safety has not been well studied. Talk to your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Geranium robertianum · Geraniaceae · Above-ground parts (leaves, stems, and flowers) · Tea, tincture, dried herb, capsules, fresh poultice

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

Herb Robert: dosing

There is no established, standardized dose for Herb Robert. Traditional use involved brewing a small amount of the dried herb as a tea or applying crushed fresh leaves to the skin, but these amounts were not measured in a consistent, science-based way.If you choose to use a commercial product, follow the directions on the label and do not exceed the recommended amount.

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

Read the full Herb Robert monograph & all interactions
Medication

About Mirabegron

What Is Mirabegron Used For?

Brand name: Myrbetriq

Mirabegron extended-release tablets treat overactive bladder (OAB) in adults — specifically the symptoms of urge urinary incontinence (sudden, urgent leaks), urgency, and frequent urination. They can be used alone or, in the case of Myrbetriq tablets, combined with solifenacin succinate for OAB.

Mirabegron extended-release tablets also treat neurogenic detrusor overactivity (NDO) — a bladder control problem caused by nerve damage — in children aged 3 and older who weigh 35 kg or more. Myrbetriq extended-release oral suspension (granules) treats NDO in children aged 3 and older regardless of weight, including those under 35 kg.

Most-Reported Side Effects for Mirabegron

From FAERS, the FDA’s public side-effect reporting system (38,466 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Fatigue 2,325 reports
Headache 2,259 reports
Dizziness 2,242 reports
Fall 2,033 reports
Diarrhea 1,999 reports
See full Mirabegron drug information
Keep checking

Other Drugs & Herb Robert

Browse every other medication we’ve checked against Herb Robert — 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 Herb Robert 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 Herb Robert list.

See the full Herb Robert interactions page
See every supplement checked against Mirabegron, ranked by severity
Evidence & sources

Herb Robert References

The 3 references that drive our Herb Robert 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. Svendsen MT, Andersen KE, Thormann H, Paulsen E. Contact sensitization to Geranium robertianum L. in an amateur gardener. Contact Dermatitis. 2015;72(6):420-1.
  2. Panahi Y, Akhavan A, Sahebkar A, et al. Investigation of the effectiveness of Syzygium aromaticum, Lavandula angustifolia and Geranium robertianum essential oils in the treatment of acute external otitis: a comparative trial with ciprofloxacin. J Microbi PubMed
  3. Badaoui A, Pecquet C, Fargeas C, Mahé E. Contact dermatitis caused by Geranium robertianum with erythema multiforme-like reaction. Contact Dermatitis. 2017;77(6):423-424.

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 Herb Robert and Mirabegron Together: Common Questions

Is it safe to take Herb Robert with Mirabegron?
We do not list a known interaction between Herb Robert and Mirabegron. 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 Herb Robert and Mirabegron 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 Mirabegron interact with any supplements?
Yes. Mirabegron has documented interactions with 20 supplements in our database — Herb Robert is not one of them. The Mirabegron 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

Herb Robert monograph Uses, safety profile, and every drug interaction in one place Mirabegron drug information The full plain-English guide to this medication Mirabegron supplement interactions Every supplement checked against Mirabegron, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Mirabegron and Herb Robert?

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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.