Drug & supplement interaction

English Horsemint + Morphine Sulfate

Morphine Sulfate brand names: MS Contin, Kadian, Avinza, Morphabond, Arymo ER.

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 English Horsemint and Morphine Sulfate 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

English Horsemint and Morphine Sulfate

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 Morphine Sulfate and English Horsemint 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 English Horsemint at all — not against Morphine Sulfate, 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.

English Horsemint safety at a glance

English Horsemint overall Use caution Likely fine in culinary food amounts, but concentrated extracts and essential oil lack strong human safety data.
Pregnancy Avoid Avoid medicinal amounts and the essential oil during pregnancy due to insufficient safety data.
Breastfeeding Avoid Not enough information to confirm safety, so avoid medicinal use while breastfeeding.

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

Still wondering about combining Morphine Sulfate and English Horsemint? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Morphine Sulfate’s Own FDA Label Lists

This is not an interaction — none of it involves English Horsemint. These are the most notable effects listed in the ADVERSE REACTIONS section of Morphine Sulfate’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.

  • Dependence or withdrawal symptoms Worth acting on mentioned in 38.7% of FDA reports for Morphine Sulfate
  • Serotonin syndrome Worth acting on
  • Memory problems Worth acting on
  • Trouble swallowing Worth acting on
  • Trouble passing urine Worth acting on
  • Low sodium Worth acting on
  • Unsteadiness Worth acting on
  • Low blood sugar Worth acting on
  • A slow heartbeat Worth acting on
  • Hallucinations Worth acting on

Showing the 10 most notable of 58 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 Morphine Sulfate. Read the label on DailyMed › Where a percentage is shown, it is the share of 120,587 voluntary FDA FAERS reports for Morphine Sulfate that mention that effect — a reporting proportion, not an incidence rate and not evidence the drug caused it. English Horsemint’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no English Horsemint side to compare — that is a limit of the record, not a statement that English Horsemint has no side effects.

From our Q&A

Questions About English Horsemint or Morphine Sulfate

These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers English Horsemint or Morphine Sulfate, 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 Morphine Sulfate

This page covers English Horsemint only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Morphine Sulfate page lists 172 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: 8 major · 138 moderate · 26 minor.

From our pharmacist’s overview on the Morphine Sulfate page

“With morphine sulfate (MS Contin, Kadian, Avinza), an opioid powerful enough to slow breathing on its own, this list warrants genuine respect. Of the 172 supplements and foods on file, 8 carry a major rating, and most of those pile extra sedation onto a drug that already sedates.”

Reviewed by 2 · Jul 18, 2026

Open the Morphine Sulfate interaction page

One more smart check

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

We hold 11 real supplement products containing English Horsemint, each one broken down to its full ingredient list — and combination products often carry several ingredients besides English Horsemint. Even though English Horsemint itself has no known interaction with Morphine Sulfate, 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 English Horsemint and Morphine Sulfate 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 English Horsemint
Steady interest

#1,308 of 1,452 supplements looked up here in the last 7 days

29 days ago today
Medication Morphine Sulfate
Steady interest

#1,851 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 English Horsemint reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The English Horsemint and Morphine Sulfate 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 English Horsemint

What is English Horsemint?

English Horsemint
  • Digestive upset
  • Gas and bloating
  • Cough and congestion
  • Nausea
  • Antimicrobial (traditional use)
  • Headache (topical/aromatic)

English horsemint (Mentha longifolia) is a wild mint used in cooking and traditional medicine, mostly for digestive and respiratory complaints. Human evidence for these uses is limited, and most data come from lab or animal studies. It is generally considered safe in food amounts, but concentrated extracts and the essential oil should be used cautiously and avoided during pregnancy and breastfeeding without medical advice.

Mentha longifolia · Lamiaceae · Leaves and essential oil · Tea, dried leaf, tincture, essential oil

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

English Horsemint: dosing

There is no well-established standardized dose for English horsemint. It is most commonly used as a tea made from the dried or fresh leaves, or as a flavoring in food.Because product strengths vary widely, the best advice is to follow the directions on the product label and not exceed them.

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

Read the full English Horsemint monograph & all interactions
Medication

About Morphine

What Is Morphine Used For?

Brand names: MS Contin, Kadian, Avinza, Morphabond, Arymo ER

Morphine is used to manage acute (short-term) and chronic (long-term) pain that is severe enough to need an opioid and that hasn't been adequately treated by other options. The higher-concentration liquid form is reserved for adults who are already opioid-tolerant — meaning their body is used to opioid medications.

Because of real risks of addiction, misuse, and overdose, morphine is only prescribed when other pain treatments have not worked or are not expected to work. It is not intended for long-term use unless the pain continues to be severe and no alternatives are suitable.

Most-Reported Side Effects for Morphine Sulfate

From FAERS, the FDA’s public side-effect reporting system (120,587 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.

Drug dependence 32,874 reports
Overdose 23,523 reports
Emotional distress 16,962 reports
Drug withdrawal syndrome 13,753 reports
Toxicity to various agents 11,801 reports
See full Morphine drug information
Keep checking

Other Drugs & English Horsemint

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

See the full English Horsemint interactions page
See every supplement checked against Morphine Sulfate, ranked by severity
Evidence & sources

English Horsemint References

The 1 references that drive our English Horsemint 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. Sahib AS. Treatment of irritable bowel syndrome using a selected herbal combination of Iraqi folk medicines. J Ethnopharmacol 2013;148(3):1008-12. 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 English Horsemint and Morphine Sulfate Together: Common Questions

Is it safe to take English Horsemint with Morphine Sulfate?
We do not list a known interaction between English Horsemint and Morphine Sulfate. 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.
Does Morphine Sulfate interact with any supplements?
Yes. Morphine Sulfate has documented interactions with 172 supplements in our database — English Horsemint is not one of them. The Morphine Sulfate 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

English Horsemint monograph Uses, safety profile, and every drug interaction in one place Morphine drug information The full plain-English guide to this medication Morphine Sulfate supplement interactions Every supplement checked against Morphine Sulfate, 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 1 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Morphine Sulfate and English Horsemint?

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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.