Drug & supplement interaction

Reed Herb + Amoxicillin

Amoxicillin brand names: Amoxil Capsules, Trimox, Wymox, Amix, Amoram, and others.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Reed Herb and Amoxicillin 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

Reed Herb and Amoxicillin

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 Amoxicillin and Reed Herb 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 Reed Herb at all — not against Amoxicillin, 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.

Reed Herb safety at a glance

Reed Herb overall Use caution Traditionally used and generally well tolerated, but human safety data are limited.
Pregnancy Avoid Not enough safety information; best to avoid during pregnancy.
Breastfeeding Avoid No reliable safety data, so avoid while breastfeeding.

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

Still wondering about combining Amoxicillin and Reed Herb? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
From our Q&A

Questions About Reed Herb or Amoxicillin

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

This page covers Reed Herb only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Amoxicillin page lists 96 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Asarabacca (major), Beer (major), Khat (major) and Siberian Cocklebur (major).

By severity: 6 major · 76 moderate · 14 minor.

From our pharmacist’s overview on the Amoxicillin page

“Amoxicillin, one of the most commonly prescribed antibiotics, has 96 supplement and herbal ingredients flagged against it, and six carry a major rating, which puts this list in the read-carefully category. The serious entries mostly add strain to organs the drug already touches.”

Reviewed by 2 · Jul 18, 2026

Open the Amoxicillin interaction page

One more smart check

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

We hold 57 real supplement products containing Reed Herb, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Reed Herb. Even though Reed Herb itself has no known interaction with Amoxicillin, 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 Reed Herb and Amoxicillin 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 Reed Herb
Steady interest

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

29 days ago today
Medication Amoxicillin
Top 5%

#36 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. Reed Herb is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every Reed Herb reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Reed Herb and Amoxicillin records this page draws on were last updated June 20, 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 Reed Herb

What is Reed Herb?

Reed Herb
  • Digestive upset
  • Nausea and vomiting
  • Diuretic (increasing urine)
  • Promoting sweating during fevers
  • Clearing heat (traditional use)

Reed herb (Phragmites australis) is a tall grass whose stems and roots have long been used in traditional medicine, especially for digestive complaints, fever, and as a mild diuretic. Modern scientific evidence in people is very limited, so its benefits are not well proven. If you want to try it, talk with a pharmacist or doctor first, and avoid it during pregnancy and breastfeeding due to a lack of safety data.

Phragmites australis · Poaceae · Stem and rhizome (root) · Tea, decoction, dried herb, powder

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

Reed Herb: dosing

There is no standardized, well-established dose for reed herb. Traditional preparations are usually made as a decoction or tea from the dried stem or rhizome, but the right amount can vary widely.If you choose to use a commercial product, follow the directions on the label and do not take more than recommended.

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

Read the full Reed Herb monograph & all interactions
Medication

About Amoxicillin

What Is Amoxicillin Used For?

Brand names: Amoxil Capsules, Trimox, Wymox, Amix, Amoram, Amoxident, Galenamox, Rimoxallin, Amoxil Injection

Amoxicillin treats bacterial infections in both adults and children, including ear, nose, and throat infections; lower respiratory tract infections; skin and skin structure infections; and genitourinary tract infections.

In adults only, amoxicillin is also used — always combined with other medications — to eradicate Helicobacter pylori (H. pylori), the bacteria behind duodenal ulcers. Getting rid of H. pylori has been shown to reduce the chance of those ulcers coming back. It is only effective against bacteria that are susceptible to it and will not work against viral infections like the common cold or flu.

Most-Reported Side Effects for Amoxicillin

From FAERS, the FDA’s public side-effect reporting system (0 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Diarrhea 6,010 reports
Drug hypersensitivity 5,482 reports
Nausea 5,158 reports
Dyspnea 5,001 reports
Acute kidney injury 4,989 reports
See full Amoxicillin drug information
Keep checking

Other Drugs & Reed Herb

Browse every other medication we’ve checked against Reed Herb — 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
No interaction 2,829 drugs checked — show the list
Evidence & sources

Reed Herb References

The 2 sources that drive our Reed Herb monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Reed Herb is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Herbs at a Glance — NIH NCCIH Source
  2. Herbs and Supplements — MedlinePlus Source

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 Reed Herb and Amoxicillin Together: Common Questions

Is it safe to take Reed Herb with Amoxicillin?
We do not list a known interaction between Reed Herb and Amoxicillin. 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.
Does Amoxicillin interact with any supplements?
Yes. Amoxicillin has documented interactions with 96 supplements in our database — Reed Herb is not one of them. The Amoxicillin 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 Amoxicillin and Reed Herb?

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.