Drug & supplement interaction

Castoreum + Divalproex Sodium

Divalproex Sodium brand name: Depakote.

No Known Interaction
Medically reviewed by · Updated June 2026 · Pair last verified Sep 20, 2026
The bottom line No known interaction

We found no known interaction between Castoreum and Divalproex Sodium 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 Divalproex Sodium states a food rule worth keeping to.

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Interaction report

Castoreum and Divalproex Sodium

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 Divalproex Sodium and Castoreum 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 Castoreum at all — not against Divalproex Sodium, 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.

Castoreum safety at a glance

Castoreum overall Not established Modern safety data for medicinal use is essentially lacking, so caution is warranted.
Pregnancy Avoid There is no safety data; avoid medicinal use during pregnancy.
Breastfeeding Avoid There is no safety data; avoid medicinal use while breastfeeding.

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

Still wondering about combining Divalproex Sodium and Castoreum? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Divalproex Sodium’s Own FDA Label Lists

This is not an interaction — none of it involves Castoreum. These are the most notable effects listed in the ADVERSE REACTIONS section of Divalproex Sodium’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.

  • Mania or an unusually elevated mood Worth acting on
  • Hearing loss Worth acting on
  • Bone thinning Worth acting on
  • Pain or burning when passing urine Worth acting on
  • Memory problems Worth acting on
  • Low sodium Worth acting on
  • Unsteadiness Worth acting on
  • A slow heartbeat Worth acting on
  • Seizures Worth acting on mentioned in 5.7% of FDA reports for Divalproex Sodium
  • Hallucinations Worth acting on

Showing the 10 most notable of 72 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 Divalproex Sodium. Read the label on DailyMed › Where a percentage is shown, it is the share of 46,266 voluntary FDA FAERS reports for Divalproex Sodium that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Castoreum’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Castoreum side to compare — that is a limit of the record, not a statement that Castoreum has no side effects.

How to take them

Some Divalproex Sodium Products Have a Food Rule — Castoreum Should Not Break It

At least one FDA label for a product containing Divalproex Sodium says to take it with food. If you take Castoreum on an empty stomach out of habit, keep them separate — and take Divalproex Sodium 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 Divalproex Sodium 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 Divalproex Sodium — 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 Castoreum or Divalproex Sodium

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

This page covers Castoreum only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Divalproex Sodium page lists 134 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: 7 major · 110 moderate · 17 minor.

Open the Divalproex Sodium interaction page

How much people look this up

Where Castoreum and Divalproex Sodium 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 Castoreum
Steady interest

#1,119 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Divalproex Sodium
Steady interest

#1,524 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. Castoreum 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 Castoreum reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Castoreum and Divalproex Sodium records this page draws on were last updated June 22, 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 Castoreum

What is Castoreum?

  • Traditional remedy for menstrual or 'hysteria' complaints
  • Folk use for headache and pain
  • Flavoring agent (vanilla-like notes)
  • Fragrance and perfume ingredient
  • Historical use as a sedative or antispasmodic

Castoreum is a brownish, strong-smelling substance taken from the castor sacs of beavers, not a plant. It has a long history in perfumes, flavorings, and folk medicine, but there is no reliable modern evidence that it treats any health condition, so it should not be relied on as a medicine.

Castor sac secretion (castoreum) from beavers, sometimes combined with castor gland and surrounding tissue · Tincture (in traditional and homeopathic medicine), perfume and fragrance ingredient, food flavoring extract

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

Castoreum: dosing

There is no established or standardized medicinal dose for castoreum. It is not a recognized medicine, and reliable dosing guidelines do not exist.If you encounter a product that contains castoreum (for example, a traditional tincture or homeopathic preparation), follow the directions on the label and do not exceed them.

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

Read the full Castoreum monograph & all interactions
Medication

About Valproic Acid

What Is Valproic Acid Used For?

Brand name: Depakote

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.

Most-Reported Side Effects for Divalproex Sodium

From FAERS, the FDA’s public side-effect reporting system (46,266 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Seizure 2,620 reports
Weight increased 2,168 reports
Nausea 2,109 reports
Fatigue 1,963 reports
Somnolence 1,901 reports
See full Valproic Acid drug information
Keep checking

Other Drugs & Castoreum

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

See the full Castoreum interactions page
See every supplement checked against Divalproex Sodium, ranked by severity
Evidence & sources

Castoreum References

The 3 sources that drive our Castoreum monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. Castoreum is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Castoreum (chemical information) — PubChem (NIH National Library of Medicine) Source
  2. Dietary Supplements: What You Need to Know — NIH Office of Dietary Supplements Source
  3. Herbal Medicine — MedlinePlus (NIH National Library of Medicine) 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 Castoreum and Divalproex Sodium Together: Common Questions

Is it safe to take Castoreum with Divalproex Sodium?
We do not list a known interaction between Castoreum and Divalproex Sodium. 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.
Should I take Castoreum and Divalproex Sodium at the same time of day?
At least one FDA label for a product containing Divalproex Sodium says to take it with food. If you take Castoreum on an empty stomach out of habit, keep them separate and take Divalproex Sodium with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Divalproex Sodium products can differ — so check the directions on your own box. This is about absorption, not an interaction.
Does Divalproex Sodium interact with any supplements?
Yes. Divalproex Sodium has documented interactions with 134 supplements in our database — Castoreum is not one of them. The Divalproex Sodium 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

Castoreum monograph Uses, safety profile, and every drug interaction in one place Valproic Acid drug information The full plain-English guide to this medication Divalproex Sodium supplement interactions Every supplement checked against Divalproex Sodium, 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 3 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Divalproex Sodium and Castoreum?

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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.