Drug & supplement interaction

Sumbul + Valproic Acid

Valproic Acid brand names: Depakene, Depacon, Valproate.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Sumbul and Valproic Acid 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 label for Valproic Acid states a food rule worth keeping to, and 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.

Know someone taking this? Share
Interaction report

Sumbul and Valproic Acid

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 Valproic Acid and Sumbul 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 Sumbul at all — not against Valproic Acid, 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.

Sumbul safety at a glance

Sumbul overall Not established Little modern safety data exists, so use cautiously and under professional guidance.
Pregnancy Avoid Safety is not established; avoid use during pregnancy.
Breastfeeding Possibly Unsafe When sumbul leaves are used orally. After a breastfeeding parent consumed sumbul leaves, both the parent and breastfeeding infant experienced several episodes o... Read the full breastfeeding detail

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 Valproic Acid and Sumbul? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

No Interaction Found — But Data Suggests Sumbul and Valproic Acid May Share a Side Effect

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.

  • Vomiting Additional detail

    Sumbul

    “There is currently a limited amount of information on the adverse effects of sumbul.

    Serious Adverse Effects (Rare):

    Orally: Vomiting requiring hospitalization in individuals consuming sumbul leaf.”

    Sumbul · Natural Medicines adverse-effect record, reported in nausea and vomiting.

    “Orally, ingestion of sumbul leaves may cause vomiting. In one case, a mother and nursing infant presented to the emergency department after experiencing several episodes of vomiting two hours after the mother consumed sumbul leaves and later nursed the infant. The amount of sumbul leaves consumed was not reported.”

    Sumbul · Natural Medicines adverse-effect record, reported in nausea and vomiting.

    1 source cited
    1. 106524. Derin H, Yildirim G, Çaksen H. Intoxication from Ferula sumbul leaves in a mother and her infant. J Pediatr Intensive Care 2013;2(4):193-4.

    Valproic Acid

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

Effects for Valproic Acid come from the ADVERSE REACTIONS section of its FDA label; effects for Sumbul come from the Natural Medicines adverse-effect record, quoted above. Where a percentage is shown, it is the share of 30,892 voluntary FDA FAERS reports for Valproic Acid 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.

Special populations

Sumbul in Pregnancy & Breastfeeding

Lactation Possibly Unsafe

When sumbul leaves are used orally. After a breastfeeding parent consumed sumbul leaves, both the parent and breastfeeding infant experienced several episodes of vomiting two hours later, suggesting that sumbul leaf constituents may pass through breast milk. There is insufficient reliable information available about the effects of sumbul root products during lactation; 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

How to take them

Some Valproic Acid Products Have a Food Rule — Sumbul Should Not Break It

At least one FDA label for a product containing Valproic Acid says to take it with food. If you take Sumbul on an empty stomach out of habit, keep them separate — and take Valproic Acid with a meal where the label says to.

This may not be true of your version. Food instructions belong to the product, not the ingredient: two Valproic Acid products can carry different directions, and extended-release forms often differ from immediate-release ones. The label we read is quoted below — check the directions on your own box or bottle, or ask your pharmacist, for how to take the exact product you were given.

irritation may benefit from administration of the drug with food or by slowly building up the dose from an initial low level.

From the Dosage and Administration section of the FDA label we read for Valproic Acid — where that label names a specific product, the instruction is that product's. Read the label on DailyMed ›

A food rule is not an interaction — it is about how much of the medicine you absorb. The directions that came with your own product, and your pharmacist, outrank anything on this page.

From our Q&A

Questions About Sumbul or Valproic Acid

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

This page covers Sumbul only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Valproic Acid page lists 173 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 Kava (major).

By severity: 9 major · 147 moderate · 17 minor.

From our pharmacist’s overview on the Valproic Acid page

“Anyone taking valproic acid (Depakene, Depacon) for seizures or bipolar disorder should treat this list with genuine care. Of the 173 supplements and herbs on file, nine are rated major.”

Reviewed by 2 · Jul 18, 2026

Open the Valproic Acid interaction page

One more smart check

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

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

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

29 days ago today
Medication Valproic Acid
Top 25%

#314 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 Sumbul reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Sumbul and Valproic Acid 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 Sumbul

What is Sumbul?

Sumbul
  • Nervous tension and anxiety
  • Muscle spasms and cramps
  • Menstrual discomfort
  • Digestive upset
  • Traditional aphrodisiac

Sumbul is a musky-smelling root from a Ferula plant that has been used in traditional medicine mainly as a calming, antispasmodic remedy. There is very little modern scientific research to confirm any of its benefits, and its safety has not been well studied. Talk with a pharmacist or doctor before using it.

Ferula sumbul · Apiaceae · Root (rhizome) · Tincture, fluid extract, dried root, powder

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

Sumbul: dosing

There is no standardized, well-established dose for Sumbul. Historical doses were given as tinctures or fluid extracts, but those figures come from old herbal references and may not be safe or reliable today.If you choose to use a Sumbul product, follow the directions on the label and do not exceed them.

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

Read the full Sumbul monograph & all interactions
Medication

About Valproic Acid

What Is Valproic Acid Used For?

Brand names: Depakene, Depacon, Valproate

Valproic acid capsules (brands Valproic and Valproic Acid) and valproic acid oral solution (brand Valproic Acid) are both used to treat epilepsy. Specifically, they are approved for complex partial seizures (either alone or with other seizure types) as monotherapy or add-on therapy, and for simple and complex absence seizures as sole therapy or add-on therapy.

Both forms are intended for adults and pediatric patients. Always follow your prescriber's guidance on which product and regimen is right for you.

See full Valproic Acid drug information
Keep checking

Other Drugs & Sumbul

Browse every other medication we’ve checked against Sumbul — 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

Sumbul References

The 1 references that drive our Sumbul 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. Derin H, Yildirim G, Çaksen H. Intoxication from Ferula sumbul leaves in a mother and her infant. J Pediatr Intensive Care 2013;2(4):193-4.

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 Sumbul and Valproic Acid Together: Common Questions

Is it safe to take Sumbul with Valproic Acid?
We do not list a known interaction between Sumbul and Valproic Acid. 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 Sumbul and Valproic Acid have any of the same side effects?
Yes — our sources link each of them separately to one 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.
Should I take Sumbul and Valproic Acid at the same time of day?
At least one FDA label for a product containing Valproic Acid says to take it with food. If you take Sumbul on an empty stomach out of habit, keep them separate and take Valproic Acid with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Valproic Acid products can differ — so check the directions on your own box. This is about absorption, not an interaction.
Does Valproic Acid interact with any supplements?
Yes. Valproic Acid has documented interactions with 173 supplements in our database — Sumbul is not one of them. The Valproic Acid 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 Valproic Acid and Sumbul?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.