Guaiac Wood + Brexanolone
Brexanolone brand name: Zulresso.
We found no known interaction between Guaiac Wood and Brexanolone 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.
Guaiac Wood and Brexanolone
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 Brexanolone and Guaiac Wood 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.
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.
Guaiac Wood safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Why No Interaction Is Listed for Brexanolone
Interactions in our licensed database are recorded against drug classes, not just single drug names. Brexanolone is filed under 2 classifications — antidepressant drugs, cns depressants. Guaiac Wood has documented interactions with 1 drug class — the most serious being lithium (moderate) — and none of Brexanolone’s classifications are among them.
Classification data comes from our licensed Natural Medicines dataset. A medication can belong to classes beyond those recorded there, so this describes how the check was run — it is not a safety guarantee.
Guaiac Wood Does Interact With Other Medications
Guaiac Wood has 1 moderate known drug interaction in our database — Brexanolone isn’t one of them. If you take anything else, check it against the full list below.
Check Another of Your Medications Against Guaiac Wood
We haven’t checked that one against Guaiac Wood yet — ask our pharmacists directly.
Covers the 2,830 medications we’ve checked against Guaiac Wood. Pick one to open its full report.
See Every Supplement That Interacts With Brexanolone
This page covers Guaiac Wood only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Brexanolone page lists 79 supplements it has a documented interaction with, worst first, each one explained.
The most serious there right now: 1,4-butanediol (major), Beer (major), Gamma-hydroxybutyrate (ghb) (major), Kava (major) and L-tryptophan (major).
By severity: 6 major · 67 moderate · 6 minor.
From our pharmacist’s overview on the Brexanolone page
“Brexanolone (Zulresso) is an IV infusion for postpartum depression, and it already carries a boxed warning for excessive sedation and sudden loss of consciousness during treatment. That built-in risk is exactly what most of these 79 supplements press on, so treat this list with genuine care.”
Reviewed by 2 · Jul 18, 2026
Where Guaiac Wood and Brexanolone 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.
#1,177 of 1,452 supplements looked up here in the last 7 days
#284 of 2,830 medications looked up here in the last 7 days
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 Guaiac Wood reference on this page ↓
- Freshness: we automatically re-check this combination every week — this pair was last verified September 13, 2026. The Guaiac Wood and Brexanolone records this page draws on were last updated July 10, 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.
About Guaiac Wood
What is Guaiac Wood?
- Fragrance in perfumes and soaps
- Aromatherapy and relaxation
- Traditional anti-inflammatory remedy
- Skin care products
- Traditional joint and arthritis support
Guaiac wood is mainly valued for its sweet, smoky-rosy aroma and is used widely as a fragrance ingredient and in aromatherapy. There is very little high-quality human research supporting any health or medical benefit, so it should be thought of as a scent rather than a proven remedy. If you want to use it, talk to your pharmacist or doctor first, and avoid taking it by mouth.
Bulnesia sarmientoi · Zygophyllaceae · Wood and essential oil (also called guaiacwood oil) · Essential oil, aromatherapy blends, soaps and perfumes; sometimes wood chips or resin
An interaction check asks whether these two react with each other — it does not ask whether Guaiac Wood is a good idea for someone in your situation. Here is what our Guaiac Wood record says about it on its own.
Guaiac Wood: dosing
There is no established or standardized medical dose for guaiac wood. It is most often used in small amounts as a fragrance in finished products such as soaps, perfumes, or aromatherapy diffuser blends.If you choose to use a guaiac wood product, follow the directions on the label and dilute essential oils properly before applying them to skin.
From our Guaiac Wood monograph — the full record covers uses, side effects and every documented interaction.
About Brexanolone Injection
What Is Brexanolone Injection Used For?
Brand name: Zulresso
-
Brexanolone injection is used for the treatment of postpartum depression (PPD) in adults. Brexanolone injection is in a class of medications called neurosteroid antidepressants. It works by changing the activity of certain natural substances in the brain.
Other Drugs & Guaiac Wood
Browse every other medication we’ve checked against Guaiac Wood — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
1 interaction
No interaction 2,828 drugs checked — show the list
We also checked Guaiac Wood against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Losartan Potassium ›
- Ivermectin ›
- Metoprolol ›
- Aspirin ›
- Rivaroxaban ›
- Rosuvastatin ›
- Acetaminophen ›
- Escitalopram ›
- Tadalafil ›
- Clopidogrel ›
- Abemaciclib ›
- Atorvastatin ›
- Docusate ›
- Valacyclovir ›
- Hydroxyurea ›
- Ibuprofen ›
- Tirzepatide ›
- Methamphetamine ›
- Warfarin Sodium ›
- Semaglutide ›
- Sumatriptan ›
- Prednisone ›
- Propranolol ›
- Lisdexamfetamine ›
- Metformin ›
- Lisinopril ›
- Amoxicillin ›
- Bupropion ›
- Bendamustine ›
- Amitriptyline ›
- Acyclovir ›
- Methotrexate ›
- Doxycycline ›
- Fluoxetine ›
- Amphetamine ›
- Lamotrigine ›
- Pregabalin ›
- Acetaminophen, Codeine ›
- Azithromycin ›
- Gabapentin ›
- Dextroamphetamine ›
- Isotretinoin ›
- Clonazepam ›
- Methylene Blue ›
- Amlodipine Besylate ›
- Omeprazole ›
- Quetiapine ›
- Letrozole ›
- Duloxetine ›
- Buspirone ›
- Naproxen ›
- Citalopram ›
- Ciprofloxacin ›
Showing the 60 most looked-up of 2,828 medications checked with no known interaction — see the full Guaiac Wood list.
Guaiac Wood References
The 1 references that drive our Guaiac Wood 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.
- Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
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.
Brexanolone Is Linked to Lower Levels of One Nutrient
Natural Medicines records Brexanolone as a medicine that can lower these. This is not an interaction with Guaiac Wood — it is a separate effect of the medicine, and it is a reason some people are advised to supplement rather than to avoid one:
Read the full Brexanolone nutrient depletion report ›
Depletion records come from the licensed Natural Medicines database. Do not start a supplement on the strength of this page — ask your pharmacist or doctor whether it applies to you.
Taking Guaiac Wood and Brexanolone Together: Common Questions
Is it safe to take Guaiac Wood with Brexanolone?
How was the Guaiac Wood and Brexanolone combination checked?
Does Guaiac Wood interact with any other medications?
Does Brexanolone interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
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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.