Drug & supplement interaction

Cnidium + Midazolam

Midazolam brand names: Versed, Seizalam, Nayzilam.

Moderate Interaction
Medically reviewed by · Updated September 2026
The bottom line Moderate

Cnidium has a moderate interaction with Midazolam. In laboratory research, cnidium has been shown to have sedative and hypnotic effects, possibly related to constituent coumarins.

Read the full interaction report
SeverityModerate
LikelihoodPossible
EvidenceD
What do Severity, Likelihood & Evidence mean?
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Interaction report

Cnidium and Midazolam

Here is the interaction we found between these two, with the evidence behind it.

Moderate

CNS DEPRESSANTS

Why this applies to Midazolam

Midazolam falls under CNS DEPRESSANTS — the group Cnidium interacts with.

In laboratory research, cnidium has been shown to have sedative and hypnotic effects, possibly related to constituent coumarins. Theoretically, cnidium may potentiate the effects of barbiturates, other sedatives, and anxiolytics.
Severity Moderate Likelihood Possible Evidence D

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.

Dr. Brian Staiger, PharmD, BCPS
Dr. Brian Staiger explains PharmD, Clinical Pharmacist

Here's the simple version: Midazolam (Versed) is a sedative that already slows brain activity to make you sleepy and relaxed. In lab and animal studies, cnidium (mostly its compound osthole) has shown its own calming, sleep-promoting effects. Stack the two together and the worry is that they could add up, making you more drowsy than expected, more deeply sedated, slower to wake, or possibly causing slowed breathing.

I want to be honest about the evidence though. This concern comes only from test-tube and animal research, not from studies in people, so it's theoretical at this point. Midazolam is typically given in a monitored medical setting anyway. Still, please tell your pharmacist, doctor, or anesthesia team about any cnidium supplement before your procedure so they can plan safely.

Contact Dr. Brian directly if you have additional questions on this interaction
References
  1. Sun Y, Yang AWH, Lenon GB. Phytochemistry, ethnopharmacology, pharmacokinetics and toxicology of Cnidium monnieri (L.) Cusson. Int J Mol Sci. 2020;21(3):1006. PubMed

What These Ratings Mean

Every interaction above is graded three ways — here’s the key to each label.

Severity how clinically significant the interaction is
Major

Clinically significant. Avoid the combination, or use only under close professional supervision.

Moderate

Usually worth avoiding or managing — may need monitoring, a dose change, or timing apart.

Minor

Generally not serious. Be aware of it and mention it to your pharmacist.

Likelihood how strong the evidence is that the interaction actually happens in people
  • LikelyWell-controlled human studies have demonstrated the likely existence of this interaction.
  • ProbableInteraction 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.
  • PossibleInteraction 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.
  • UnlikelyInteraction has been demonstrated in animal or in lab research but has been shown not to occur in humans.
Evidence the quality of the studies behind the rating (graded A–D)
  • AHigh-quality meta-analysis (quantitative systematic review).
  • BCase-control study.
  • CConsensus.
  • DAnecdotal evidence.

These ratings are for information only. Never start, stop, or otherwise change your therapy before speaking with your provider.

Keep it in perspective

Cnidium Also Interacts With Other Medications

Cnidium has 350 moderate known drug interactions in our database — the Midazolam one above is one of them. If you take anything else, check it against the full list below.

Moderate 350 No known interaction 2,480 (incl. Midazolam)
Taking anything else?

Check Another of Your Medications Against Cnidium

Covers the 2,830 medications we’ve checked against Cnidium. Pick one to open its full report.

Everything else you take

See Every Supplement That Interacts With Midazolam

This page covers Cnidium only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Midazolam page lists 202 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), Bitter Orange (major) and Fever Bark (major).

By severity: 11 major · 153 moderate · 38 minor.

From our pharmacist’s overview on the Midazolam page

“Sedation stacked on sedation is the headline risk with midazolam (Versed, Seizalam, Nayzilam). Midazolam is a benzodiazepine used for sedation and seizure emergencies, and 78 of the 202 interacting ingredients here, beer and wine included, add their own drowsiness, which can slide into dangerously slowed breathing.”

Reviewed by 2 · Jul 18, 2026

Open the Midazolam interaction page

One more smart check

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

We hold 175 real supplement products containing Cnidium, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Cnidium. Your product may carry other ingredients that interact with Midazolam too, on top of Cnidium — and those would not show on this page. Find your product and we’ll check every ingredient on its label:

How much people look this up

Where Cnidium and Midazolam 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 Cnidium
Top half

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

29 days ago today
Medication Midazolam
Top half

#886 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.

Supplement

About Cnidium

What is Cnidium?

Cnidium
  • Skin conditions and itching
  • Erectile dysfunction and low libido
  • Eczema and dermatitis
  • Antifungal or antimicrobial washes
  • Athletic performance
  • General antioxidant support

Cnidium is the dried fruit of an Asian plant long used in traditional Chinese medicine, mostly for skin problems and sexual health. Modern human evidence for these uses is very limited, with most research coming from laboratory and animal studies. Talk with your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Read the full Cnidium monograph & all interactions
Medication

About Midazolam

What Is Midazolam Used For?

Brand names: Versed, Seizalam, Nayzilam

Midazolam is used in several different forms depending on the setting. Injectable midazolam (given by IV or IM shot) is used before and during surgery or procedures — such as endoscopy, cardiac catheterization, or bronchoscopy — to cause sedation, reduce anxiety, and prevent memory of the event. It can also be used to start general anesthesia or to keep heavily sedated, ventilated patients comfortable in a critical care unit. Midazolam HCl oral syrup is used specifically in children for sedation and anxiety relief before procedures or anesthesia induction, in a monitored medical setting only.

Nayzilam nasal spray is indicated for a different purpose: the acute treatment of seizure clusters (also called acute repetitive seizures) in people aged 12 and older who have epilepsy. It is used intermittently — not as a daily seizure medicine — when a cluster of seizures breaks through the person's usual pattern.

See full Midazolam drug information
Keep checking

Other Drugs & Cnidium

Browse every other medication we’ve checked against Cnidium — both the ones with a known interaction and the ones without. Select any drug for the full detail.

0Major
350Moderate
0Minor
2,479No known interaction
350 Moderate 2,479 No interaction
Moderate

350 interactions

Showing 60 of 350 moderate interactions — see all 350 on the Cnidium page.

No interaction 2,479 drugs checked — show the list

We also checked Cnidium against these medications and found no known interaction in our sources. Open any page to confirm.

Showing the 60 most looked-up of 2,479 medications checked with no known interaction — see the full Cnidium list.

See the full Cnidium interactions page
See every supplement checked against Midazolam, ranked by severity
Sources

Sources & How We Checked

Interaction details are evidence-graded and sourced from the Natural Medicines database. The medication overview comes from MedlinePlus.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

Parts of this content are provided by the Therapeutic Research Center, LLC.

DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

Keep exploring
Cnidium monograph › Uses, safety, and every drug interaction in one place Midazolam supplement interactions › Every supplement checked against Midazolam, ranked by severity Midazolam drug information › The full plain-English guide to this medication Supplement interaction checker › Check any supplement or product against your medications Browse medications A–Z › Every drug we've checked against herbs & supplements Ask a pharmacist › Free, personal answer from our licensed team
Pharmacist Counseling Corner

Taking Cnidium and Midazolam Together: Common Questions

Can you take Cnidium with Midazolam?
There is a moderate interaction, so it may be acceptable with monitoring or timing changes — but check with your pharmacist first. Read the full details on this page and confirm with your pharmacist before combining them.
How serious is the Cnidium and Midazolam interaction?
We rate it Moderate. This combination may require monitoring, a dose adjustment, or separating the times you take each one. Consult your pharmacist before using them together.

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

Still Have a Question About Midazolam and Cnidium?

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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.