Drug & supplement interaction

Buckhorn Plantain + Clobazam

Clobazam brand names: Frisium, Onfi, Sympazan.

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 Buckhorn Plantain and Clobazam 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

Buckhorn Plantain and Clobazam

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 Clobazam and Buckhorn Plantain 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 Buckhorn Plantain at all — not against Clobazam, 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.

Buckhorn Plantain safety at a glance

Buckhorn Plantain overall Use caution Generally considered low-risk for short-term use, but human safety data are limited.
Pregnancy Likely Unsafe When used orally or topically. Some evidence suggests buckhorn plantain affects muscle tone of the uterus. Read the full pregnancy detail
Breastfeeding Avoid Safety while breastfeeding is unknown, so avoid unless cleared by your provider.

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 Clobazam and Buckhorn Plantain? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Clobazam’s Own FDA Label Lists

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

  • Seizures Worth acting on mentioned in 26.9% of FDA reports for Clobazam
  • Dependence or withdrawal symptoms Worth acting on
  • Trouble swallowing Worth acting on
  • Trouble passing urine Worth acting on
  • Unsteadiness Worth acting on
  • Hallucinations Worth acting on
  • Confusion Worth acting on
  • A severe skin reaction Worth acting on
  • Low mood Worth acting on
  • A low platelet count Worth acting on

Showing the 10 most notable of 32 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 Clobazam. Read the label on DailyMed › Where a percentage is shown, it is the share of 24,270 voluntary FDA FAERS reports for Clobazam that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Buckhorn Plantain’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Buckhorn Plantain side to compare — that is a limit of the record, not a statement that Buckhorn Plantain has no side effects.

Special populations

Buckhorn Plantain in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally or topically. Some evidence suggests buckhorn plantain affects muscle tone of the uterus.

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 Clobazam

This page covers Buckhorn Plantain only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Clobazam page lists 109 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: 1,4-butanediol (major), Activated Charcoal (major), Beer (major), Gamma-hydroxybutyrate (ghb) (major) and Grapefruit (major).

By severity: 8 major · 85 moderate · 16 minor.

From our pharmacist’s overview on the Clobazam page

“Clobazam (Onfi, Sympazan, Frisium) is a benzodiazepine for seizures, so extra sedation is a real safety hazard rather than a nuisance, and that is what most of this list adds. The great majority of these supplements and herbs deepen drowsiness, alcohol in any form among the most serious pairings.”

Reviewed by 2 · Jul 18, 2026

Open the Clobazam interaction page

One more smart check

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

We hold 4 real supplement products containing Buckhorn Plantain, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Buckhorn Plantain. Even though Buckhorn Plantain itself has no known interaction with Clobazam, 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 Buckhorn Plantain and Clobazam 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 Buckhorn Plantain
Steady interest

#1,297 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Clobazam
Steady interest

#2,101 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 Buckhorn Plantain reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Buckhorn Plantain and Clobazam 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 Buckhorn Plantain

What is Buckhorn Plantain?

Buckhorn Plantain
  • Cough and sore throat
  • Respiratory irritation
  • Wound and skin care
  • Digestive upset
  • Mild inflammation

Buckhorn plantain is a common weed-like herb used traditionally for coughs, sore throats, and minor skin wounds. Some lab and small studies suggest it has soothing and mild anti-inflammatory effects, but high-quality human evidence is limited. It is generally considered low-risk for short-term use, but pregnant and breastfeeding people should be cautious and check with a healthcare provider.

Plantago lanceolata · Plantaginaceae · Leaves (above-ground parts) · Tea, tincture, syrup, capsules, topical creams or ointments, fresh crushed leaves

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

Buckhorn Plantain: dosing

There is no official standardized dose for buckhorn plantain. Traditional preparations include teas made from the dried leaves, syrups, tinctures, and topical products.Because product strength varies a lot between brands and forms, the best approach is to follow the directions on the product label.

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

Read the full Buckhorn Plantain monograph & all interactions
Medication

About Clobazam

What Is Clobazam Used For?

Brand names: Frisium, Onfi, Sympazan

Clobazam is used as an add-on (adjunctive) treatment for seizures linked to Lennox-Gastaut Syndrome (LGS), a severe form of childhood-onset epilepsy. It is approved for patients 2 years of age and older.

This indication applies to all available forms: Sympazan (dissolving oral film), Onfi (tablets and oral suspension), and generic clobazam tablets and oral suspension.

Most-Reported Side Effects for Clobazam

From FAERS, the FDA’s public side-effect reporting system (24,270 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Seizure 4,947 reports
Somnolence 1,944 reports
Fatigue 1,150 reports
Epilepsy 851 reports
Status epilepticus 725 reports
See full Clobazam drug information
Keep checking

Other Drugs & Buckhorn Plantain

Browse every other medication we’ve checked against Buckhorn Plantain — 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 Buckhorn Plantain 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 Buckhorn Plantain list.

See the full Buckhorn Plantain interactions page
See every supplement checked against Clobazam, ranked by severity
Evidence & sources

Buckhorn Plantain References

The 1 references that drive our Buckhorn Plantain 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. Shipochliev T. Uterotonic action of extracts from a group of medicinal plants. Vet Med Nauki 1981;18:94-8.

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 Buckhorn Plantain and Clobazam Together: Common Questions

Is it safe to take Buckhorn Plantain with Clobazam?
We do not list a known interaction between Buckhorn Plantain and Clobazam. 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 Clobazam interact with any supplements?
Yes. Clobazam has documented interactions with 109 supplements in our database — Buckhorn Plantain is not one of them. The Clobazam 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

Buckhorn Plantain monograph Uses, safety profile, and every drug interaction in one place Clobazam drug information The full plain-English guide to this medication Clobazam supplement interactions Every supplement checked against Clobazam, 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 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Clobazam and Buckhorn Plantain?

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.