Drug & supplement interaction

Horse Chestnut + Belumosudil Mesylate

Belumosudil Mesylate brand name: Rezurock.

No Known Interaction
Medically reviewed by · Updated July 2026 · Pair last verified Oct 4, 2026
The bottom line No known interaction

We found no known interaction between Horse Chestnut and Belumosudil Mesylate 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 Belumosudil Mesylate 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.

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Interaction report

Horse Chestnut and Belumosudil Mesylate

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 Belumosudil Mesylate and Horse Chestnut 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.

Horse Chestnut safety at a glance

Horse Chestnut overall Use caution Properly processed seed extract may be reasonably tolerated, but raw plant parts are toxic and the supplement isn't right for everyone.
Pregnancy Unsafe When the raw seed, bark, flower, or leaf are used orally. Horse chestnut preparations can be lethal; avoid using. There is insufficient reliable information ava... Read the full pregnancy detail
Breastfeeding Unsafe When the raw seed, bark, flower, or leaf are used orally. Horse chestnut preparations can be lethal; avoid using. There is insufficient reliable information ava... 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 Belumosudil Mesylate and Horse Chestnut? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
How we checked

Why No Interaction Is Listed for Belumosudil Mesylate

Interactions in our licensed database are recorded against drug classes, not just single drug names. Belumosudil Mesylate is filed under 2 classifications — cytochrome p450 3a4 (cyp3a4) substrates, oral drugs. Horse Chestnut has documented interactions with 1 drug class — the most serious being anticoagulant/antiplatelet drugs (moderate) — and none of Belumosudil Mesylate’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

Horse Chestnut Does Interact With Other Medications

Horse Chestnut has 122 moderate known drug interactions in our database — Belumosudil Mesylate isn’t one of them. If you take anything else, check it against the full list below.

Moderate 122 No known interaction 2,708 (incl. Belumosudil Mesylate)
Taking anything else?

Check Another of Your Medications Against Horse Chestnut

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

What to actually watch for

No Interaction Found — But Data Suggests Horse Chestnut and Belumosudil Mesylate May Share Several of the Same Side Effects

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. One of them is worth acting on rather than waiting out — marked below.

  • Liver problems Worth acting on Additional detail

    Horse Chestnut

    “Orally, there is one case report of hepatotoxicity in a 69-year-old female who took 6-15 tablets of a specific product (Venencapsan) containing horse chestnut leaf, milfoil, celandine, sweet clover, milk thistle, and dandelion root daily for 6 weeks. The patient's symptoms disappeared 6 weeks after discontinuing the product and reappeared following re-initiation.”

    Horse Chestnut · Natural Medicines adverse-effect record, reported in neonatal jaundice.

    5 sources cited
    1. 55518. De Smet, P. A., Van den Eertwegh, A. J., Lesterhuis, W., and Stricker, B. H. Hepatotoxicity associated with herbal tablets. BMJ 7-13-1996;313(7049):92.
    2. 107702. Costa Santos D, Lérias G, Madruga I. Drug-induced Liver Injury Due to a Horse Chestnut Dietary Supplement. Eur J Case Rep Intern Med 2021;8(3):002389. PubMed
    3. 2. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
    4. 512. Robbers JE, Tyler VE. Tyler's Herbs of Choice: The Therapeutic Use of Phytomedicinals. New York, NY: The Haworth Herbal Press, 1999.
    5. 552. Takegoshi K, Tohyama T, Okuda K, et al. A case of Venoplant-induced hepatic injury. Gastroenterol Jpn 1986;21:62-5.

    Belumosudil Mesylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Belumosudil Mesylate. Read the label on DailyMed ›

  • Itching Additional detail

    Horse Chestnut

    “Orally, horse chestnut seed extract has been reported to cause pruritus.”

    Horse Chestnut · Natural Medicines adverse-effect record, reported in pruritus.

    3 sources cited
    1. 282. Greeske K, Pohlmann BK. Horse chestnut seed extract-an effective therapy principle in general practice. Drug therapy of chronic venous insufficiency. Fortschr Med 1996;114:196-200.
    2. 12113. Pittler MH, Ernst E. Horse chestnut seed extract for chronic venous insufficiency (Cochrane Review). In: The Cochrane Library, Issue 3, 2004. Chichester, UK: John Wiley & Sons, Ltd. PubMed
    3. 55486. Pittler, M. H. and Ernst, E. Horse chestnut seed extract for chronic venous insufficiency. Cochrane.Database.Syst.Rev. 2004;(2):CD003230. PubMed

    Belumosudil Mesylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Belumosudil Mesylate. Read the label on DailyMed ›

  • Stomach pain / Nausea Additional detail

    Horse Chestnut

    “Orally, there is one case report of pericardial tamponade following exudative pericardial effusion in a previously healthy 32-year-old male who consumed three boxes of horse chestnut paste over 6 weeks. The patient was treated with steroid therapy for 2 months, as well as colchicine 0.5 mg twice daily and ibuprofen 600 mg twice daily for 3 months.”

    Horse Chestnut · Natural Medicines adverse-effect record, reported in arrhythmia.

    2 sources cited
    1. 91972. Edem E, Kahyaoglu B, Çakar MA. Acute Effusive Pericarditis due to Horse Chestnut Consumption. Am J Case Rep. 2016;17:305-8. PubMed
    2. 110439. Yi HY, Lee JY. Poisoning due to consumption of horse chestnut seed. Clin Exp Emerg Med 2021;8(4):333-335. PubMed

    “Orally, horse chestnut seed extract has been reported to cause nausea, vomiting, diarrhea, abdominal pain, constipation, dry mouth, gastrointestinal upset, and dyspepsia.”

    Horse Chestnut · Natural Medicines adverse-effect record, reported in constipation.

    6 sources cited
    1. 282. Greeske K, Pohlmann BK. Horse chestnut seed extract-an effective therapy principle in general practice. Drug therapy of chronic venous insufficiency. Fortschr Med 1996;114:196-200.
    2. 12113. Pittler MH, Ernst E. Horse chestnut seed extract for chronic venous insufficiency (Cochrane Review). In: The Cochrane Library, Issue 3, 2004. Chichester, UK: John Wiley & Sons, Ltd. PubMed
    3. 55477. Ottillinger, B. and Greeske, K. Rational therapy of chronic venous insufficiency--chances and limits of the therapeutic use of horse-chestnut seeds extract. BMC.Cardiovasc.Disord. 2001;1(1):5. PubMed
    4. 55486. Pittler, M. H. and Ernst, E. Horse chestnut seed extract for chronic venous insufficiency. Cochrane.Database.Syst.Rev. 2004;(2):CD003230. PubMed
    5. 55493. Fang, Y., Zhao, L., Yan, F., Xia, X., Xu, D., and Cui, X. Escin improves sperm quality in male patients with varicocele-associated infertility. Phytomedicine. 2010;17(3-4):192-196. PubMed
    6. 55520. Rehn, D., Unkauf, M., Klein, P., Jost, V., and Lucker, P. W. Comparative clinical efficacy and tolerability of oxerutins and horse chestnut extract in patients with chronic venous insufficiency. Arzneimittelforschung 1996;46(5):483-487.

    Belumosudil Mesylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Belumosudil Mesylate. Read the label on DailyMed ›

  • Diarrhea / Vomiting Additional detail

    Horse Chestnut

    Recorded for Horse Chestnut in the same Natural Medicines adverse-effect record shown under Stomach pain / Nausea above.

    Belumosudil Mesylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Belumosudil Mesylate. Read the label on DailyMed ›

  • A skin rash Additional detail

    Horse Chestnut

    “Pollen from the horse chestnut flower can cause allergic reactions in children. Horse chestnut can also cause hypersensitivity reactions, which occur more commonly in people who are allergic to latex.

    Rectally, the horse chestnut constituent esculin has caused severe allergic contact dermatitis and proctitis in a 38-year old man.

    Intravenously, administration of aescin can cause anaphylaxis (18,553).”

    Horse Chestnut · Natural Medicines adverse-effect record, reported in dermatitis.

    6 sources cited
    1. 7775. Popp W, Horak F, Jager S, et al. Horse chestnut (Aesculus hippocastanum) pollen: a frequent cause of allergic sensitization in urban children. Allergy 1992;47:380-3.
    2. 7853. Diaz-Perales A, Collada C, Blanco C, et al. Cross-reactions in the latex-fruit syndrome: A relevant role of chitinases but not of complex asparagine-linked glycans. J Allergy Clin Immunol 1999;104:681-7. PubMed
    3. 8418. Blanco C, Diaz-Perales A, Collada C, et al. Class I chitinases as potential panallergens involved in the latex-fruit syndrome. J Allergy Clin Immunol 1999;103:507-13. PubMed
    4. 10383. Comaish JS, Kersey PJ. Contact dermatitis to extract of horse chestnut (esculin). Contact Dermatitis 1980;6:150-1. PubMed
    5. 18. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
    6. 553. Jaspersen-Schib R, Theus L, Guirguis-Oeschger M, et al. [Serious plant poisonings in Switzerland 1966-1994. Case analysis from the Swiss Toxicology Information Center]. Schweiz Med Wochenschr 1996;126:1085-98.

    Belumosudil Mesylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Belumosudil Mesylate. Read the label on DailyMed ›

  • Headache Additional detail

    Horse Chestnut

    “Orally, horse chestnut seed extract has been reported to cause headache or dizziness.”

    Horse Chestnut · Natural Medicines adverse-effect record, reported in cluster headache.

    2 sources cited
    1. 55486. Pittler, M. H. and Ernst, E. Horse chestnut seed extract for chronic venous insufficiency. Cochrane.Database.Syst.Rev. 2004;(2):CD003230. PubMed
    2. 55520. Rehn, D., Unkauf, M., Klein, P., Jost, V., and Lucker, P. W. Comparative clinical efficacy and tolerability of oxerutins and horse chestnut extract in patients with chronic venous insufficiency. Arzneimittelforschung 1996;46(5):483-487.

    Belumosudil Mesylate

    Listed in the ADVERSE REACTIONS section of the FDA label for Belumosudil Mesylate. Read the label on DailyMed ›

Reported for Horse Chestnut but not commonly for Belumosudil Mesylate: stomach upset, an irregular heartbeat, an allergic reaction and constipation.

Effects for Belumosudil Mesylate come from the ADVERSE REACTIONS section of its FDA label; effects for Horse Chestnut come from the Natural Medicines adverse-effect record, quoted above. Wording is matched across sources by our own clinical vocabulary, so treat this as a prompt to pay attention, not a diagnosis.

Special populations

Horse Chestnut in Pregnancy & Breastfeeding

Pregnancy And Lactation Unsafe

When the raw seed, bark, flower, or leaf are used orally. Horse chestnut preparations can be lethal; avoid using. There is insufficient reliable information available about the safety of horse chestnut seed extract when used during pregnancy and 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 Belumosudil Mesylate Products Have a Food Rule — Horse Chestnut Should Not Break It

At least one FDA label for a product containing Belumosudil Mesylate says to take it with food. If you take Horse Chestnut on an empty stomach out of habit, keep them separate — and take Belumosudil Mesylate 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 Belumosudil Mesylate 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.

2 DOSAGE AND ADMINISTRATION Recommended Dosage : 200 mg taken orally once daily with food.

From the Dosage and Administration section of the FDA label we read for Belumosudil Mesylate — 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 Horse Chestnut or Belumosudil Mesylate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Horse Chestnut or Belumosudil Mesylate, 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 Belumosudil Mesylate

This page covers Horse Chestnut only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Belumosudil Mesylate page lists 138 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Grapefruit (major), St. John's Wort (major), Acacia Rigidula (moderate) and Adrafinil (moderate).

By severity: 3 major · 94 moderate · 41 minor.

From our pharmacist’s overview on the Belumosudil Mesylate page

“Most people taking belumosudil (Rezurock) are managing chronic graft-versus-host disease after a stem cell transplant, and many reach for supplements hoping for extra support. This list warrants real vigilance.”

Reviewed by 2 · Jul 18, 2026

Open the Belumosudil Mesylate interaction page

One more smart check

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

We hold 487 real supplement products containing Horse Chestnut, each one broken down to its full ingredient list — and combination products often carry several ingredients besides Horse Chestnut. Even though Horse Chestnut itself has no known interaction with Belumosudil Mesylate, 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 Horse Chestnut and Belumosudil Mesylate 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 Horse Chestnut
Top half

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

29 days ago today
Medication Belumosudil Mesylate
Top half

#898 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 Horse Chestnut reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The Horse Chestnut and Belumosudil Mesylate 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.
Data structure & sourcing designed and verified by .
Supplement

About Horse Chestnut

What is Horse Chestnut?

  • Chronic venous insufficiency
  • Leg swelling and heaviness
  • Varicose veins
  • Hemorrhoids
  • Bruising and minor swelling

Horse chestnut seed extract is most often used for chronic venous insufficiency, where standardized products may help reduce leg swelling, pain, and heaviness. Raw, unprocessed horse chestnut seeds and other parts of the plant are toxic and should never be eaten. Talk with your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding.

Aesculus hippocastanum · Sapindaceae · Seeds (extract), and sometimes bark and leaves · Capsules, tablets, standardized seed extracts, topical gels and creams

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

Horse Chestnut: dosing

There is no single official dose for horse chestnut. Products are usually standardized to their aescin (escin) content, and the right amount depends on the specific product.The best approach is to follow the directions on the product label and choose a reputable, standardized extract.

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

Read the full Horse Chestnut monograph & all interactions
Medication

About Belumosudil

What Is Belumosudil Used For?

Brand name: Rezurock

Rezurock (belumosudil) is used to treat chronic graft-versus-host disease (chronic GVHD) — a serious immune reaction that can happen after a stem cell or bone marrow transplant. It is approved for adults and pediatric patients 12 years and older whose chronic GVHD has not responded to at least two prior systemic (whole-body) treatments.

See full Belumosudil drug information
Keep checking

Other Drugs & Horse Chestnut

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

0Major
122Moderate
0Minor
2,707No known interaction
122 Moderate 2,707 No interaction
Moderate

122 interactions

Showing 60 of 122 moderate interactions — see all 122 on the Horse Chestnut page.

No interaction 2,707 drugs checked — show the list

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

Showing the 60 most looked-up of 2,707 medications checked with no known interaction — see the full Horse Chestnut list.

See the full Horse Chestnut interactions page
See every supplement checked against Belumosudil Mesylate, ranked by severity
Evidence & sources

Horse Chestnut References

The 21 references that drive our Horse Chestnut 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. Blumenthal M, ed. The Complete German Commission E Monographs: Therapeutic Guide to Herbal Medicines. Trans. S. Klein. Boston, MA: American Botanical Council, 1998.
  2. Ellenhorn MJ, et al. Ellenhorn's Medical Toxicology: Diagnoses and Treatment of Human Poisoning. 2nd ed. Baltimore, MD: Williams & Wilkins, 1997.
  3. Gruenwald J, Brendler T, Jaenicke C. PDR for Herbal Medicines. 1st ed. Montvale, NJ: Medical Economics Company, Inc., 1998.
  4. Brinker F. Herb Contraindications and Drug Interactions. 2nd ed. Sandy, OR: Eclectic Medical Publications, 1998.
  5. Greeske K, Pohlmann BK. Horse chestnut seed extract-an effective therapy principle in general practice. Drug therapy of chronic venous insufficiency. Fortschr Med 1996;114:196-200.
  6. Robbers JE, Tyler VE. Tyler's Herbs of Choice: The Therapeutic Use of Phytomedicinals. New York, NY: The Haworth Herbal Press, 1999.
  7. Takegoshi K, Tohyama T, Okuda K, et al. A case of Venoplant-induced hepatic injury. Gastroenterol Jpn 1986;21:62-5.
  8. Jaspersen-Schib R, Theus L, Guirguis-Oeschger M, et al. [Serious plant poisonings in Switzerland 1966-1994. Case analysis from the Swiss Toxicology Information Center]. Schweiz Med Wochenschr 1996;126:1085-98.
  9. Popp W, Horak F, Jager S, et al. Horse chestnut (Aesculus hippocastanum) pollen: a frequent cause of allergic sensitization in urban children. Allergy 1992;47:380-3.
  10. Diaz-Perales A, Collada C, Blanco C, et al. Cross-reactions in the latex-fruit syndrome: A relevant role of chitinases but not of complex asparagine-linked glycans. J Allergy Clin Immunol 1999;104:681-7. PubMed
  11. Blanco C, Diaz-Perales A, Collada C, et al. Class I chitinases as potential panallergens involved in the latex-fruit syndrome. J Allergy Clin Immunol 1999;103:507-13. PubMed
  12. Comaish JS, Kersey PJ. Contact dermatitis to extract of horse chestnut (esculin). Contact Dermatitis 1980;6:150-1. PubMed
  13. Pittler MH, Ernst E. Horse chestnut seed extract for chronic venous insufficiency (Cochrane Review). In: The Cochrane Library, Issue 3, 2004. Chichester, UK: John Wiley & Sons, Ltd. PubMed
  14. Ottillinger, B. and Greeske, K. Rational therapy of chronic venous insufficiency--chances and limits of the therapeutic use of horse-chestnut seeds extract. BMC.Cardiovasc.Disord. 2001;1(1):5. PubMed
  15. Pittler, M. H. and Ernst, E. Horse chestnut seed extract for chronic venous insufficiency. Cochrane.Database.Syst.Rev. 2004;(2):CD003230. 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 Horse Chestnut and Belumosudil Mesylate Together: Common Questions

Is it safe to take Horse Chestnut with Belumosudil Mesylate?
We do not list a known interaction between Horse Chestnut and Belumosudil Mesylate. 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 Horse Chestnut and Belumosudil Mesylate have any of the same side effects?
Yes — our sources link each of them separately to 8 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 Horse Chestnut and Belumosudil Mesylate at the same time of day?
At least one FDA label for a product containing Belumosudil Mesylate says to take it with food. If you take Horse Chestnut on an empty stomach out of habit, keep them separate and take Belumosudil Mesylate with a meal where the label says to. Food instructions belong to the product rather than the ingredient — two Belumosudil Mesylate products can differ — so check the directions on your own box. This is about absorption, not an interaction.
How was the Horse Chestnut and Belumosudil Mesylate combination checked?
Interactions in our licensed database are recorded against drug classes. Belumosudil Mesylate is filed under 2 classifications, and Horse Chestnut has documented interactions with 1 drug class — none of Belumosudil Mesylate'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 Horse Chestnut interact with any other medications?
Yes. Horse Chestnut has 122 documented drug interactions in our database — Belumosudil Mesylate 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 Belumosudil Mesylate interact with any supplements?
Yes. Belumosudil Mesylate has documented interactions with 138 supplements in our database — Horse Chestnut is not one of them. The Belumosudil Mesylate 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

Horse Chestnut monograph Uses, safety profile, and every drug interaction in one place Belumosudil drug information The full plain-English guide to this medication Belumosudil Mesylate supplement interactions Every supplement checked against Belumosudil Mesylate, 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 21 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Belumosudil Mesylate and Horse Chestnut?

Our pharmacists answer your medication & supplement questions — free.

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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.