Drug & supplement interaction

English Adder's Tongue + Dapsone

Dapsone brand names: Dapsone, Avlosulfon, Aczone.

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 English Adder's Tongue and Dapsone 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 Adder's Tongue and Dapsone

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 Dapsone and English Adder's Tongue 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 Adder's Tongue at all — not against Dapsone, 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 Adder's Tongue safety at a glance

English Adder's To... overall Not established Very little modern safety data exists, so caution is warranted, especially when taken by mouth.
Pregnancy Avoid There is no reliable safety data, so it is best avoided during pregnancy.
Breastfeeding Avoid There is no reliable safety data, so it is best avoided while breastfeeding.

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

Still wondering about combining Dapsone and English Adder's Tongue? Ask Dr. Brian Staiger, PharmD, BCPS directly ›
What to actually watch for

What Dapsone’s Own FDA Label Lists

This is not an interaction — none of it involves English Adder's Tongue. These are the most notable effects listed in the ADVERSE REACTIONS section of Dapsone’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. 9 of them are worth acting on rather than waiting out — marked below.

  • Thoughts of self-harm Worth acting on
  • Muscle weakness Worth acting on
  • Hallucinations Worth acting on
  • Pancreatitis Worth acting on
  • A severe skin reaction Worth acting on
  • Low mood Worth acting on
  • Anemia Worth acting on
  • Hives Worth acting on
  • A low white blood cell count Worth acting on
  • Sore throat

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 Dapsone. Read the label on DailyMed › English Adder's Tongue’s licensed record lists no adverse effects our clinical vocabulary could match, so there is no English Adder's Tongue side to compare — that is a limit of the record, not a statement that English Adder's Tongue has no side effects.

Everything else you take

See Every Supplement That Interacts With Dapsone

This page covers English Adder's Tongue only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Dapsone page lists 215 supplements it has a documented interaction with, worst first, each one explained.

The most serious there right now: Activated Charcoal (major), Beer (major), Grapefruit (major), Para-aminobenzoic Acid (paba) (major) and Siberian Cocklebur (major).

By severity: 7 major · 167 moderate · 41 minor.

From our pharmacist’s overview on the Dapsone page

“Dapsone treats serious conditions, from dermatitis herpetiformis to leprosy, and its supplement list is one I'd want a patient to read closely rather than skim. Most entries touch how the body handles dapsone through the CYP3A4 enzyme, so grapefruit can raise its blood level while St.”

Reviewed by 2 · Jul 18, 2026

Open the Dapsone interaction page

How much people look this up

Where English Adder's Tongue and Dapsone 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 Adder's Tongue
Steady interest

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

29 days ago today
Medication Dapsone
Top 10%

#254 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. English Adder's Tongue is not yet covered by that licensed database, so its write-up cites publicly available medical sources directly (see the references below).
  • Citation library: 103,510 references behind our interaction content, 65,311 of them resolved to verified PubMed/DOI sources. See every English Adder's Tongue reference on this page ↓
  • Freshness: we automatically re-check this combination every week — this pair was last verified October 4, 2026. The English Adder's Tongue and Dapsone 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 English Adder's Tongue

What is English Adder's Tongue?

  • Minor wounds and skin irritation
  • Bruises and swelling
  • Insect bites
  • Soothing inflamed skin
  • Traditional eye washes (historical)

English Adder's Tongue is a small fern long used in folk medicine as a topical remedy for wounds, bruises, and skin irritation. There is very little modern scientific research to show whether it works or how safe it is, so use it cautiously and treat any health claims with skepticism.

Ophioglossum vulgatum · Ophioglossaceae · Leaves (fronds), sometimes the whole plant · Fresh leaves, salve or ointment, poultice, infused oil, tea

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

English Adder's Tongue: dosing

There is no established standardized dose for English Adder's Tongue. Traditional use focused on topical salves and poultices made from the fresh leaves, with no precise measured amounts.If you find a commercial product, follow the directions on the label and do not exceed them.

From our English Adder's Tongue monograph — the full record covers uses, side effects and every documented interaction.

Read the full English Adder's Tongue monograph & all interactions
Medication

About Dapsone

What Is Dapsone Used For?

Brand names: Dapsone, Avlosulfon, Aczone

Dapsone has two main roles, depending on the product.

  • Dapsone tablets (by mouth): dermatitis herpetiformis and all forms of leprosy, except cases of proven dapsone resistance.
  • Dapsone gel (on the skin): acne vulgaris. Aczone Gel 7.5% and Dapsone gel 7.5% are for patients 9 years and older.
See full Dapsone drug information
Keep checking

Other Drugs & English Adder's Tongue

Browse every other medication we’ve checked against English Adder's Tongue — 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 Adder's Tongue 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 Adder's Tongue list.

See the full English Adder's Tongue interactions page
See every supplement checked against Dapsone, ranked by severity
Evidence & sources

English Adder's Tongue References

The 2 sources that drive our English Adder's Tongue monograph — publicly available pages from reputable medical and government organizations. Every link was verified to work before publishing. English Adder's Tongue is not covered by the licensed Natural Medicines interaction database, so its page cites these public sources directly.

  1. Herbs at a Glance — NIH NCCIH Source
  2. Herbs and Supplements — MedlinePlus Source

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 Adder's Tongue and Dapsone Together: Common Questions

Is it safe to take English Adder's Tongue with Dapsone?
We do not list a known interaction between English Adder's Tongue and Dapsone. 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 Dapsone interact with any supplements?
Yes. Dapsone has documented interactions with 215 supplements in our database — English Adder's Tongue is not one of them. The Dapsone 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 Adder's Tongue monograph Uses, safety profile, and every drug interaction in one place Dapsone drug information The full plain-English guide to this medication Dapsone supplement interactions Every supplement checked against Dapsone, 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 2 citations behind this page Ask a pharmacist Free, personal answer from our licensed team

Still Have a Question About Dapsone and English Adder's Tongue?

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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.