Drug & supplement interaction

Avens + Ethosuximide

Ethosuximide brand name: Zarontin.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Avens and Ethosuximide 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

Avens and Ethosuximide

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 Ethosuximide and Avens 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 Avens at all — not against Ethosuximide, 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.

Avens safety at a glance

Avens overall Use caution Generally used in food-like amounts, but human safety data are very limited.
Pregnancy Possibly Unsafe When used orally because avens seems to have an effect on the menstrual cycle; avoid using. Read the full pregnancy detail
Breastfeeding Avoid No reliable safety data while breastfeeding, so avoid it.

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 Ethosuximide and Avens? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Ethosuximide’s Own FDA Label Lists

This is not an interaction — none of it involves Avens. These are the most notable effects listed in the ADVERSE REACTIONS section of Ethosuximide’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. 9 of them are worth acting on rather than waiting out — marked below.

  • Unsteadiness Worth acting on
  • Hallucinations Worth acting on
  • A severe skin reaction Worth acting on
  • Low mood Worth acting on
  • A low platelet count Worth acting on
  • Hives Worth acting on
  • A low white blood cell count Worth acting on
  • Bleeding or bruising Worth acting on
  • An allergic reaction Worth acting on
  • A change in sex drive

Showing the 10 most notable of 22 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 Ethosuximide. Read the label on DailyMed › Where a percentage is shown, it is the share of 2,490 voluntary FDA FAERS reports for Ethosuximide that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Avens’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Avens side to compare — that is a limit of the record, not a statement that Avens has no side effects.

Special populations

Avens in Pregnancy & Breastfeeding

Pregnancy Possibly Unsafe

When used orally because avens seems to have an effect on the menstrual cycle; avoid using.

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 Ethosuximide

This page covers Avens only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ethosuximide page lists 226 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: 9 major · 179 moderate · 38 minor.

From our pharmacist’s overview on the Ethosuximide page

“Ethosuximide (Zarontin) prevents absence seizures, and a steady blood level is what keeps them away, so I treat this list of 226 interacting supplements and herbs with real care, especially the nine rated major. More than half of the entries can change how the liver clears the drug; grapefruit can raise its level while St.”

Reviewed by 2 · Jul 18, 2026

Open the Ethosuximide interaction page

One more smart check

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

We hold 8 real supplement products containing Avens, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Avens. Even though Avens itself has no known interaction with Ethosuximide, 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 Avens and Ethosuximide 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 Avens
Steady interest

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

29 days ago today
Medication Ethosuximide
Steady interest

#2,407 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 Avens reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Avens and Ethosuximide 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 Avens

What is Avens?

Avens
  • Diarrhea
  • Indigestion and dyspepsia
  • Gas (flatulence)
  • Sore throat and mouth rinses
  • Mild inflammation

Avens is a traditional European herb whose root and leaves are rich in tannins and have long been used as a tea for diarrhea and digestive upset. Solid human research is lacking, so its benefits are unproven. If you choose to try it, use it short-term, follow the product label, and check first with your pharmacist or doctor.

Geum urbanum · Rosaceae · Dried aerial (flowering) parts and roots · Tea (infusion), decoction, dried herb, root powder, tincture

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

Avens: dosing

There is no officially established or standardized dose for Avens. Traditional sources describe steeping a small amount of dried herb in hot water as a tea, or briefly boiling the dried root to make a decoction.Because product strengths vary widely, the safest approach is to follow the directions on the product label and not exceed them.

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

Read the full Avens monograph & all interactions
Medication

About Ethosuximide

What Is Ethosuximide Used For?

Brand name: Zarontin

Ethosuximide — sold as Zarontin and also available as generic Ethosuximide — is used to control absence (petit mal) epilepsy. Absence seizures are brief episodes where a person loses awareness for a few seconds, often mistaken for daydreaming.

Both Zarontin and Ethosuximide products (capsule and oral solution forms) are approved for this use. Either may also be used alongside other seizure medicines when a patient has absence seizures together with other types of epilepsy.

Most-Reported Side Effects for Ethosuximide

From FAERS, the FDA’s public side-effect reporting system (2,490 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Seizure 367 reports
Somnolence 157 reports
Generalised tonic-clonic seizure 149 reports
Petit mal epilepsy 118 reports
Treatment failure 116 reports
See full Ethosuximide drug information
Keep checking

Other Drugs & Avens

Browse every other medication we’ve checked against Avens — 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

Avens References

The 1 references that drive our Avens 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. Newall CA, Anderson LA, Philpson JD. Herbal Medicine: A Guide for Healthcare Professionals. London, UK: The Pharmaceutical Press, 1996.

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 Avens and Ethosuximide Together: Common Questions

Is it safe to take Avens with Ethosuximide?
We do not list a known interaction between Avens and Ethosuximide. 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 Ethosuximide interact with any supplements?
Yes. Ethosuximide has documented interactions with 226 supplements in our database — Avens is not one of them. The Ethosuximide 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 Ethosuximide and Avens?

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.