Drug & supplement interaction

Corydalis Yanhusuo + Ganciclovir

Ganciclovir brand names: Cytovene, Cytovene Injection.

No Known Interaction
The bottom line No known interaction

We found no known interaction between Corydalis Yanhusuo and Ganciclovir 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.

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Interaction report

Corydalis Yanhusuo and Ganciclovir

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 Ganciclovir and Corydalis Yanhusuo 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.

Corydalis Yanhusuo safety at a glance

Corydalis Yanhusuo overall Use caution It has a long history of traditional use, but human safety data are limited and quality of products varies.
Pregnancy Likely Unsafe When used orally. Corydalis yanhusuo might promote menstrual flow and stimulate uterine contractions. The berberine constituent of Corydalis yanhusuo is thought... Read the full pregnancy detail
Breastfeeding Likely Unsafe When used orally. The berberine constituent of Corydalis yanhusuo and other harmful constituents can be transferred to the infant through breast milk. 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 Ganciclovir and Corydalis Yanhusuo? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Ganciclovir

Interactions in our licensed database are recorded against drug classes, not just single drug names. Ganciclovir is filed under a single classification — oral drugs. Corydalis Yanhusuo has documented interactions with 14 drug classes — the most serious being anticoagulant/antiplatelet drugs (moderate), antidiabetes drugs (moderate) and antihypertensive drugs (moderate) — and none of Ganciclovir’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.

Keep it in perspective

Corydalis Yanhusuo Does Interact With Other Medications

Corydalis Yanhusuo has 1,160 moderate known drug interactions in our database — Ganciclovir isn’t one of them. If you take anything else, check it against the full list below.

Taking anything else?

Check Another of Your Medications Against Corydalis Yanhusuo

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

What to actually watch for

What Ganciclovir’s Own FDA Label Lists

This is not an interaction — none of it involves Corydalis Yanhusuo. These are the most notable effects listed in the ADVERSE REACTIONS section of Ganciclovir’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. 6 of them are worth acting on rather than waiting out — marked below.

  • A low white blood cell count Worth acting on mentioned in 5.5% of FDA reports for Ganciclovir
  • A higher chance of infection Worth acting on mentioned in 11.6% of FDA reports for Ganciclovir
  • A low platelet count Worth acting on
  • Kidney problems Worth acting on
  • Anemia Worth acting on
  • Shortness of breath Worth acting on
  • Chills
  • Sweating
  • Fever mentioned in 5.7% of FDA reports for Ganciclovir
  • Numbness or tingling

Showing the 10 most notable of 19 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 Ganciclovir. Read the label on DailyMed › Where a percentage is shown, it is the share of 10,879 voluntary FDA FAERS reports for Ganciclovir that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. Corydalis Yanhusuo’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no Corydalis Yanhusuo side to compare — that is a limit of the record, not a statement that Corydalis Yanhusuo has no side effects.

Special populations

Corydalis Yanhusuo in Pregnancy & Breastfeeding

Pregnancy Likely Unsafe

When used orally. Corydalis yanhusuo might promote menstrual flow and stimulate uterine contractions. The berberine constituent of Corydalis yanhusuo is thought to cross the placenta and may cause harm to the fetus. Kernicterus has developed in newborn infants exposed to berberine.

Lactation Likely Unsafe

When used orally. The berberine constituent of Corydalis yanhusuo and other harmful constituents can be transferred to the infant through breast milk.

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

Everything else you take

See Every Supplement That Interacts With Ganciclovir

This page covers Corydalis Yanhusuo only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Ganciclovir page lists 17 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Coffee Charcoal (moderate), European Mandrake (moderate), Glucomannan (moderate) and Guar Gum (moderate).

By severity: 1 major · 7 moderate · 9 minor.

From our pharmacist’s overview on the Ganciclovir page

“Everything on this list threatens ganciclovir (Cytovene) the same way, by getting between the pill and your bloodstream. Ganciclovir fights cytomegalovirus in people whose immune systems are weakened, so a dose that only partly absorbs can let the virus regain ground and grow resistant.”

Reviewed by 2 · Jul 18, 2026

Open the Ganciclovir interaction page

How much people look this up

Where Corydalis Yanhusuo and Ganciclovir 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 Corydalis Yanhusuo
Top half

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

29 days ago today
Medication Ganciclovir
Steady interest

#2,082 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 Corydalis Yanhusuo reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Corydalis Yanhusuo and Ganciclovir 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 Corydalis Yanhusuo

What is Corydalis Yanhusuo?

  • Pain relief
  • Menstrual cramps
  • Headache
  • Stress and sleep support
  • Stomach and abdominal discomfort

Corydalis yanhusuo is a traditional Chinese herb used mainly for pain. Some early laboratory and animal research suggests its compounds may affect pain and the nervous system, but high-quality human studies are limited, so its true benefits and long-term safety are not well established. Talk with your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Corydalis yanhusuo · Papaveraceae · Dried tuber (rhizome) · Capsules, tablets, powders, tinctures, and as part of traditional herbal formulas

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

Corydalis Yanhusuo: dosing

There is no well-established standard dose for corydalis. Doses used in traditional practice and in studies vary, and products differ in how concentrated they are.The safest approach is to follow the directions on the product label and to use the lowest amount that seems reasonable. Because product quality varies, choose brands that use third-party testing when possible.

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

Read the full Corydalis Yanhusuo monograph & all interactions
Medication

About Ganciclovir

What Is Ganciclovir Used For?

Brand names: Cytovene, Cytovene Injection

Ganciclovir injection (Cytovene, Ganciclovir, and ganciclovir sodium) is used to treat CMV retinitis — a serious eye infection caused by cytomegalovirus — in adults with weakened immune systems, including those with AIDS. It is also used to prevent CMV disease in adult transplant recipients who are at risk.

Zirgan ophthalmic gel is a separate ganciclovir product used to treat acute herpetic keratitis — painful corneal ulcers caused by the herpes simplex virus — in adults and children aged 2 years and older.

Most-Reported Side Effects for Ganciclovir

From FAERS, the FDA’s public side-effect reporting system (10,879 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Cytomegalovirus infection 1,266 reports
Drug resistance 731 reports
Fever 620 reports
Neutropenia 598 reports
Pancytopenia 554 reports
See full Ganciclovir drug information
Keep checking

Other Drugs & Corydalis Yanhusuo

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

0Major
1,160Moderate
0Minor
1,669No known interaction
Moderate

1,160 interactions

Showing 60 of 1,160 moderate interactions — see all 1,160 on the Corydalis Yanhusuo page.

No interaction 1,669 drugs checked — show the list
Evidence & sources

Corydalis Yanhusuo References

The 21 references that drive our Corydalis Yanhusuo 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. McGuffin M, Hobbs C, Upton R, Goldberg A, eds. American Herbal Products Association's Botanical Safety Handbook. Boca Raton, FL: CRC Press, LLC 1997.
  2. Chan E. Displacement of bilirubin from albumin by berberine. Biol Neonate 1993;63:201-8. PubMed
  3. Janbaz KH, Gilani AH. Studies on preventive and curative effects of berberine on chemical-induced hepatotoxicity in rodents. Fitoterapia 2000;71:25-33.. PubMed
  4. Wu X, Li Q, Xin H, Yu A, Zhong M. Effects of berberine on the blood concentration of cyclosporin A in renal transplanted recipients: clinical and pharmacokinetic study. Eur J Clin Pharmacol 2005;61:567-72. PubMed
  5. Zhang Y, Li X, Zou D, et al. Treatment of type 2 diabetes and dyslipidemia with the natural plant alkaloid berberine. J Clin Endocrinol Metab 2008;93:2559-65. PubMed
  6. Budzinski JW, Foster BC, Vandenhoek S, Arnason JT. An in vitro evaluation of human cytochrome P450 3A4 inhibition by selected commercial herbal extracts and tinctures. Phytomedicine 2000;7:273-82. PubMed
  7. Chatterjee P, Franklin MR. Human cytochrome p450 inhibition and metabolic-intermediate complex formation by goldenseal extract and its methylenedioxyphenyl components. Drug Metab Dispos 2003;31:1391-7. PubMed
  8. Shanbhag, S. M., Kulkarni, H. J., and Gaitonde, B. B. Pharmacological actions of berberine on the central nervous system. Jpn.J Pharmacol 1970;20(4):482-487. PubMed
  9. Wu, J. F. and Liu, T. P. [Effects of berberine on platelet aggregation and plasma levels of TXB2 and 6-keto-PGF1 alpha in rats with reversible middle cerebral artery occlusion]. Yao Xue.Xue.Bao. 1995;30(2):98-102.
  10. Peng, W. H., Hsieh, M. T., and Wu, C. R. Effect of long-term administration of berberine on scopolamine-induced amnesia in rats. Jpn J Pharmacol 1997;74(3):261-266. DOI
  11. Sabir M and Bhide NK. Study of some pharmacological actions of berberine. Ind J Physiol & Pharmac 1971;15(3):111-132.
  12. Tripathi YB and Shukla SD. Berberis artistata inhibits PAF induced aggregation of rabbit platelets. Phytotherapy Research 1996;10:628-630.
  13. Yin, J., Xing, H., and Ye, J. Efficacy of berberine in patients with type 2 diabetes mellitus. Metabolism 2008;57(5):712-717. PubMed
  14. Zhang, H., Wei, J., Xue, R., Wu, J. D., Zhao, W., Wang, Z. Z., Wang, S. K., Zhou, Z. X., Song, D. Q., Wang, Y. M., Pan, H. N., Kong, W. J., and Jiang, J. D. Berberine lowers blood glucose in type 2 diabetes mellitus patients through increasing insulin re
  15. Guo, Y., Chen, Y., Tan, Z. R., Klaassen, C. D., and Zhou, H. H. Repeated administration of berberine inhibits cytochromes P450 in humans. Eur J Clin Pharmacol 2012;68(2):213-217. PubMed

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 Corydalis Yanhusuo and Ganciclovir Together: Common Questions

Is it safe to take Corydalis Yanhusuo with Ganciclovir?
We do not list a known interaction between Corydalis Yanhusuo and Ganciclovir. 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.
How was the Corydalis Yanhusuo and Ganciclovir combination checked?
Interactions in our licensed database are recorded against drug classes. Ganciclovir is filed under 1 classification, and Corydalis Yanhusuo has documented interactions with 14 drug classes — none of Ganciclovir's classifications are among them. A medication can belong to classes beyond those recorded in our dataset, so this describes how the check was run rather than guaranteeing safety.
Does Corydalis Yanhusuo interact with any other medications?
Yes. Corydalis Yanhusuo has 1,160 documented drug interactions in our database — Ganciclovir is simply not one of them. If you take anything else, it is worth checking each one; they are all listed on this page.
Does Ganciclovir interact with any supplements?
Yes. Ganciclovir has documented interactions with 17 supplements in our database — Corydalis Yanhusuo is not one of them. The Ganciclovir interaction page linked on this page lists every one, ranked by severity.

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.