Medication interaction hub

What Supplements Interact with Methsuximide?

Methsuximide brand name: Celontin. Every interaction below applies to the brands too.

105 Interactions 7 Major 82 Moderate 16 Minor
Curated & coded by · Clinical Pharmacist · Updated September 21, 2026

Drug–supplement interaction data sourced from Natural Medicines Pro, the licensed clinical database from TRC Healthcare / Therapeutic Research, with additional analysis by the HelloPharmacist Pharmacist Team. Our sources · Editorial policy

What is this page for?

One answer, for one medication: what supplements and herbal products interact with Methsuximide? Every vitamin, herb, and supplement ingredient we’ve checked against it is on this page, ranked by severity, each linking to the full report for that exact pair.

This page covers supplement interactions only — to check Methsuximide against your other medications, use the drug–drug interaction checker. Educational information from our licensed clinical databases, not medical advice. Our editorial policy

HelloPharmacist Bottom Line
Our Pharmacist Explains
What is this? The interaction data in the HelloPharmacist supplement database is licensed from Natural Medicines Pro by TRC Healthcare (Therapeutic Research). HelloPharmacist pharmacists often add our own analysis and context on top of that licensed data — such as this Bottom Line summary and the notes on individual interaction pages — and any such commentary is noted as ours.

Methsuximide (Celontin) treats absence seizures by quieting overactive brain signals, so anything else that slows the nervous system deserves genuine respect before you take it alongside. Of the 105 supplements and herbs on record, 78 add sedation on top of what the drug already does, and that group holds most of the 7 major-rated entries. Alcohol, meaning beer and wine on this list, has the strongest evidence behind it, and kava is another major name worth learning first.

Another 17 ingredients change how much of an oral dose your body actually absorbs. Activated charcoal is rated major there because it can soak up methsuximide itself, and with a seizure medicine, a lost dose is not a small thing. Eighty-two of the 105 rate moderate and 16 minor, mostly milder versions of the same drowsiness. Space charcoal or bulky fiber products well apart from your dose, and if a supplement makes you noticeably sleepier, treat that as a signal, not a coincidence.

— , Clinical Pharmacist · July 18, 2026

Major 7 Moderate 82 Minor 16 No known interaction 1,347

This box checks one ingredient at a time (like turmeric or magnesium). Taking a supplement product with a whole label of ingredients? Search the product instead — we check every ingredient on it ↓

Top Ingredient Interactions

Methsuximide: Top Interactions at a Glance

The most significant Methsuximide supplement & herbal interactions, colored by severity. Tap any ingredient to open the full report for that pair.

Showing the 12 highest-ranked of 105 interacting ingredients — plus 1,347 more checked with no known interaction. See the complete ranked list.

Start here

The Major Interactions to Know About

The most clinically significant Methsuximide + supplement combinations in our database, best-documented first. Open any card for the full report.

Major Likelihood Likely Beer + Methsuximidei

Concomitant use may increase sedative and other adverse effects.

Read the full interaction Major Likelihood Likely Wine + Methsuximidei

Concomitant use may increase sedative and other adverse effects.

Read the full interaction Major Likelihood Probable 1,4-butanediol + Methsuximidei

Theoretically, concomitant use of 1,4-butanediol with CNS depressants may potentiate respiratory and CNS depression.

Read the full interaction Major Likelihood Probable Activated Charcoal + Methsuximidei

Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the route of administration.

Read the full interaction Major Likelihood Probable Gamma-hydroxybutyrate (ghb) + Methsuximidei

GHB may increase the risk of serious CNS and respiratory depression.

Read the full interaction Major Likelihood Probable Kava + Methsuximidei

Combining kava with CNS depressants can have additive sedative effects.

Read the full interaction
The complete list

Every Supplement Checked Against Methsuximide

All 1,452 ingredients in our database, ranked by severity — 105 with a Methsuximide interaction on file and 1,347 with none found. Filter by severity or search any ingredient; hover the for what each ingredient is.

Looking for an interaction with a specific supplement product? Search products instead ↓

Straight answers

Can You Take It With Methsuximide?

One-line answers, one card per combination — scroll through today’s 20 and tap any card for the full report. A different set rotates in daily until every combination has had its turn.

Can you take Ashwagandha with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, taking ashwagandha might increase the sedative effects of CNS depressants.

Full Ashwagandha + Methsuximide answer

Can you take Guar Gum with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Guar gum might reduce the absorption of some oral drugs, potentially decreasing their effectiveness.

Full Guar Gum + Methsuximide answer

Can you take Baikal Skullcap with Methsuximide?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, Baikal skullcap might cause additive therapeutic and adverse effects when used concomitantly with drugs with sedative propert...

Full Baikal Skullcap + Methsuximide answer

Can you take Calendula with Methsuximide?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, calendula might have additive effects when used with CNS depressants, although this appears to be unlikely.

Full Calendula + Methsuximide answer

Can you take Gamma-aminobutyric Acid (gaba) with Methsuximide?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, GABA might have additive sedative effects when used in conjunction with CNS depressants.

Full Gamma-aminobutyric Acid (gaba) + Methsuximide answer

Can you take Theanine with Methsuximide?

Minor Usually — this is a minor-rated interaction, generally not clinically significant but worth mentioning to your pharmacist. Theoretically, theanine might have additive sedative effects when used in conjunction with CNS depressants.

Full Theanine + Methsuximide answer

Can you take Beer with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Concomitant use may increase sedative and other adverse effects.

Full Beer + Methsuximide answer

Can you take Wine with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Concomitant use may increase sedative and other adverse effects.

Full Wine + Methsuximide answer

Can you take 1,4-butanediol with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, concomitant use of 1,4-butanediol with CNS depressants may potentiate respiratory and CNS depression.

Full 1,4-butanediol + Methsuximide answer

Can you take Activated Charcoal with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Activated charcoal reduces systemic exposure to many drugs, including those that undergo enterohepatic recirculation, regardless of the rout...

Full Activated Charcoal + Methsuximide answer

Can you take Gamma-hydroxybutyrate (ghb) with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. GHB may increase the risk of serious CNS and respiratory depression.

Full Gamma-hydroxybutyrate (ghb) + Methsuximide answer

Can you take Kava with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Combining kava with CNS depressants can have additive sedative effects.

Full Kava + Methsuximide answer

Can you take L-tryptophan with Methsuximide?

Major Use real caution — this is a major-rated interaction, generally best avoided or used only under close supervision. Theoretically, concomitant use of L-tryptophan with CNS depressants might cause additive sedative effects.

Full L-tryptophan + Methsuximide answer

Can you take Coffee Charcoal with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Coffee charcoal can reduce the absorption of orally administered drugs and should be separated from oral drug administration by at least two...

Full Coffee Charcoal + Methsuximide answer

Can you take European Mandrake with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concurrent use might increase absorption of some drugs because of inhibited gastrointestinal (GI) motility caused by European...

Full European Mandrake + Methsuximide answer

Can you take Glucomannan with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, glucomannan may decrease absorption of drugs taken orally.

Full Glucomannan + Methsuximide answer

Can you take Yerba Mansa with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use might cause additive or prolonged sedative effects.

Full Yerba Mansa + Methsuximide answer

Can you take 5-htp with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Theoretically, concomitant use of 5-HTP with medications that cause sedation might have additive effects.

Full 5-htp + Methsuximide answer

Can you take Adrue with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Animal research suggests that taking adrue in combination with sodium thiopental or diazepam increases total sleep time up to four-fold comp...

Full Adrue + Methsuximide answer

Can you take Albizia Julibrissin with Methsuximide?

Moderate Possibly, but carefully — this moderate-rated combination may need monitoring, a dose adjustment, or separated timing. Animal research suggests that certain constituents from Albizia julibrissin flowers can potentiate pentobarbital-induced sleeping time in mi...

Full Albizia Julibrissin + Methsuximide answer
Read the list like a pharmacist

What Severity, Likelihood & Evidence Mean

Severity — How Serious It Can Be

  • Major. Clinically significant; generally best avoided, or used only under direct professional supervision.
  • Moderate. May need monitoring, a dose adjustment, or separating the times you take each one.
  • Minor. Generally not clinically significant, but still worth noting and mentioning to your pharmacist.
  • No known interaction. Checked against our sources with nothing documented — not the same as proven safety.

Likelihood — How Well It’s Documented

  • Likely. Well-controlled human studies have demonstrated the likely existence of this interaction
  • Probable. Interaction has not been documented in well-controlled studies, however, the interaction has been demonstrated in some small human studies or in controlled animal studies in conjunction with multiple case reports.
  • Possible. Interaction has been documented in animal or in lab research, or the interaction has been documented in humans but is limited to case reports or conflicting clinical research exists
  • Unlikely. Interaction has been demonstrated in animal or in lab research but has been shown not to occur in humans.

Where This Data Comes From

  • Interaction records are evidence-graded and sourced from the Natural Medicines database (TRC Healthcare), the same reference used by pharmacists and hospitals.
  • Each entry links to a full report with the clinical detail, likelihood, evidence level, and citations for that exact combination.
  • Content is reviewed by licensed HelloPharmacist pharmacists — see our data sources and editorial standards.

How Does Our Interaction Checker Work?

Behind every verdict on this page is a category system. Our source database doesn’t document supplement interactions drug-by-drug — it documents them against groups of medications that behave the same way (for example, “drugs processed by the CYP3A4 liver enzyme” or “blood-thinning medications”).

So the check works in three steps: (1) Methsuximide is classified into the pharmacology categories it belongs to, (2) every supplement interaction documented against any of those categories is inherited by Methsuximide, and (3) each ingredient keeps its own severity, likelihood, and evidence grades from the underlying record. That’s why one supplement can carry several records for one drug — it may interact through more than one category.

Methsuximide sits in 3 interaction categories. Open any one to see what the group means:

Cns Depressants 78 ingredients

Central-nervous-system depressants. Sedating supplements can intensify drowsiness and slowed reactions when combined.

78 of the supplement ingredients on this page reach Methsuximide through this category.

Oral Drugs 17 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

17 of the supplement ingredients on this page reach Methsuximide through this category.

Anticonvulsants 15 ingredients

A pharmacology grouping from our source database: medications in this group share a property that certain supplements are known to interact with, so an interaction documented for the group applies to every drug in it.

15 of the supplement ingredients on this page reach Methsuximide through this category.

About Methsuximide

Methsuximide is an antiseizure medication used to control absence (petit mal) seizures that have not responded to other treatments.

Generic name: Methsuximide  ·  Brand name: Celontin.

See the full Methsuximide drug information

Related: does Methsuximide deplete any nutrients?

Methsuximide has 1 reported nutrient association in the research literature — see the Methsuximide nutrient depletion report.

Check a real product

Take a Supplement Product? Check the Whole Bottle Against Methsuximide

Most supplements are combination products — and the interaction may come from an ingredient you didn’t buy it for. Search any product below (or scan its label) and we’ll check every ingredient on it against Methsuximide.

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Pharmacist Counseling Corner

Methsuximide & Supplements: Common Questions

What supplements interact with Methsuximide?
Our database currently documents 105 ingredients with a known Methsuximide interaction (7 major, 82 moderate, 16 minor). The practical move: scan the major group first, then look up the exact supplements you take rather than reading all 105. The highest-ranked right now: Beer, Wine, 1,4-butanediol.
Which Methsuximide supplement interactions are the most serious?
The 7 major-rated combinations — led by Beer, Wine, 1,4-butanediol, Activated Charcoal and Gamma-hydroxybutyrate (ghb) — deserve real caution: these are the ones generally best avoided, or used only with your prescriber watching. If you take any of them today, don't panic and don't stop anything abruptly — call your pharmacist first. Jump to the ranked list.
Can I take vitamins or supplements while on Methsuximide?
Plenty of supplements coexist fine with Methsuximide; a shorter list does not. Rather than memorizing it, check the specific ingredients on your labels — the ranked list above covers every one we've checked, and multi-ingredient products can be checked label-by-label with our scanner. Try the label scanner or the interaction checker.
Do brands like Celontin have the same supplement interactions as Methsuximide?
Yes — Celontin all contain Methsuximide, so everything on this page applies to them equally. Interactions belong to the active drug, never to the brand on the box; the same is true of generics.
Where do these interaction ratings come from?
Every rating comes from the Natural Medicines database — the same evidence-graded reference pharmacists and hospitals use — and each interaction carries three separate grades: severity (how bad it can be), likelihood (how well it's documented in studies and case reports), and an evidence level. Our pharmacists review the content; we never let an AI decide an interaction. See how to read the ratings and our editorial policy.
Does Methsuximide deplete any vitamins or nutrients?
It might — Methsuximide has 1 reported nutrient-depletion association in the research literature, which is a different question from interactions: instead of a supplement changing the drug, the drug may lower a nutrient over time. See the Methsuximide nutrient depletion report for the specifics and what to discuss with your pharmacist.
What about Methsuximide and my other medications?
This page covers Methsuximide against supplements and herbal ingredients. Checking Methsuximide against your other prescription or OTC medications is a different tool — our drug interaction checker covers that side. Head to the drug–drug interaction checker, or read the full Methsuximide drug information.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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Sourcing

Where This Data Comes From — and Why You Can Trust It

🧪 Licensed clinical database

Every interaction verdict on this page comes from Natural Medicines Pro (TRC Healthcare / Therapeutic Research) — the same evidence-graded reference used by pharmacists and hospitals. We license this data directly; we do not scrape it, and no AI invents an interaction.

🧑‍⚕️ Pharmacist review

This page is curated and coded by , Clinical Pharmacist, with additional analysis by the HelloPharmacist Pharmacist Team. Editorial commentary is ours; the licensed interaction records are shown as sourced.

🔄 Kept current

Our interaction database refreshes on a weekly cycle, and this page re-checks the live database every time it’s rebuilt — what you see reflects the database as of September 21, 2026.

🔍 Full transparency

How every dataset on this site is sourced, licensed, and updated is documented publicly: our data sources · editorial policy · how we use AI.

Educational information, not medical advice. An interaction being on file does not mean it will happen to you — and absence of one is not proof of safety. Never start or stop a medication or supplement without talking to your pharmacist or doctor.