Rhatany + Tolnaftate
Tolnaftate brand name: Tinactin.
We found no known interaction between Rhatany and Tolnaftate 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.
Rhatany and Tolnaftate
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 Tolnaftate and Rhatany 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 Rhatany at all — not against Tolnaftate, 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.
Rhatany safety at a glance
Safety guidance is general; always confirm with your pharmacist or doctor for your situation.
Questions About Rhatany or Tolnaftate
These are real questions from readers, answered by the pharmacists at HelloPharmacist — written by a person, not generated from a database. Each one covers Rhatany or Tolnaftate, 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.
See Every Supplement That Interacts With Tolnaftate
This page covers Rhatany only. If you take other supplements — a multivitamin, a sleep aid, something for joints — the Tolnaftate page lists 20 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 · 12 minor.
From our pharmacist’s overview on the Tolnaftate page
“For anyone using tolnaftate (Tinactin), the antifungal in athlete's foot creams and sprays, activated charcoal is the interaction to understand before all others. It holds the only major rating among the 20 ingredients on file, since charcoal binds many medicines and can lower how much reaches the body, even drugs not given by mouth.”
Reviewed by 2 · Jul 18, 2026
Where Rhatany and Tolnaftate 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.
#1,156 of 1,452 supplements looked up here in the last 7 days
#2,492 of 2,830 medications looked up here in the last 7 days
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.
- Freshness: we automatically re-check this combination every week — this pair was last verified September 20, 2026. The Rhatany and Tolnaftate 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.
About Rhatany
What is Rhatany?
- Mouth and throat irritation
- Gum inflammation
- Sore throat
- Mild diarrhea
- Minor skin and mucous membrane inflammation
Rhatany is the root of a South American shrub that is rich in astringent tannins, and it has been used traditionally as a mouth rinse or gargle for inflamed gums and sore throat. Solid human evidence for its benefits is very limited, so it should be viewed as a traditional remedy rather than a proven treatment. Talk to your pharmacist or doctor before using it, and avoid it during pregnancy and breastfeeding due to a lack of safety data.
Krameria lappacea · Krameriaceae · Dried root · Tincture, mouthwash/gargle, tea, lozenges, powdered root extract
An interaction check asks whether these two react with each other — it does not ask whether Rhatany is a good idea for someone in your situation. Here is what our Rhatany record says about it on its own.
Rhatany: dosing
There is no well-established standardized dose for rhatany. It is most often found in commercial mouthwashes, gargles, tinctures, and lozenges, and the strength varies from product to product.The safest approach is to follow the directions on the specific product label and not to swallow mouth rinses or use them longer than recommended.
From our Rhatany monograph — the full record covers uses, side effects and every documented interaction.
About Tolnaftate
What Is Tolnaftate Used For?
Brand name: Tinactin
Tolnaftate treats common fungal skin infections — specifically athlete's foot (tinea pedis), jock itch (tinea cruris), and ringworm (tinea corporis). It also helps relieve the itching, cracking, burning, scaling, redness, and soreness that come with these infections.
Several products also help prevent athlete's foot from coming back with regular daily use. Note that tolnaftate is not effective on the scalp or nails — though some patch products are applied around the nail and cuticle area to address skin surrounding the nail.
Most-Reported Side Effects for Tolnaftate
From FAERS, the FDA’s public side-effect reporting system (1,403 reports, all brands). Reports are voluntary and are not proof the drug caused the effect.
Other Drugs & Rhatany
Browse every other medication we’ve checked against Rhatany — both the ones with a known interaction and the ones without. Select any drug for the full detail.
No drugs match “”.
No interaction 2,829 drugs checked — show the list
We also checked Rhatany against these medications and found no known interaction in our sources. Open any page to confirm.
- Apixaban ›
- Levothyroxine ›
- Amlodipine ›
- Methylphenidate ›
- Warfarin ›
- Sertraline ›
- Testosterone ›
- Losartan Potassium ›
- Ivermectin ›
- Abemaciclib ›
- Aspirin ›
- Acetaminophen ›
- Metoprolol ›
- Rosuvastatin ›
- Rivaroxaban ›
- Escitalopram ›
- Clopidogrel ›
- Atorvastatin ›
- Tadalafil ›
- Docusate ›
- Tirzepatide ›
- Ibuprofen ›
- Methamphetamine ›
- Hydroxyurea ›
- Warfarin Sodium ›
- Valacyclovir ›
- Sumatriptan ›
- Semaglutide ›
- Prednisone ›
- Lisdexamfetamine ›
- Propranolol ›
- Metformin ›
- Amitriptyline ›
- Amoxicillin ›
- Lisinopril ›
- Isotretinoin ›
- Amlodipine Besylate ›
- Methotrexate ›
- Bendamustine ›
- Bupropion ›
- Amphetamine ›
- Doxycycline ›
- Fluoxetine ›
- Acyclovir ›
- Azithromycin ›
- Lamotrigine ›
- Pregabalin ›
- Dextroamphetamine ›
- Gabapentin ›
- Acetaminophen, Codeine ›
- Clonazepam ›
- Quetiapine ›
- Levothyroxine, Liothyronine ›
- Naproxen ›
- Omeprazole ›
- Letrozole ›
- Methylene Blue ›
- Duloxetine ›
- Buspirone ›
- Citalopram ›
Showing the 60 most looked-up of 2,829 medications checked with no known interaction — see the full Rhatany list.
Sources & How We Checked
We checked Rhatany against Tolnaftate in the Natural Medicines interaction database and found no documented interaction on file. The medication overview comes from MedlinePlus, and supplement label details from the NIH Dietary Supplement Label Database.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference for vitamins, herbs and supplements — the basis for our interaction data.
- MedlinePlus, U.S. National Library of Medicine — NIH consumer drug information, used for the medication overviews.
- NIH Dietary Supplement Label Database (DSLD) — Official supplement product labels.
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
Taking Rhatany and Tolnaftate Together: Common Questions
Is it safe to take Rhatany with Tolnaftate?
Does Tolnaftate interact with any supplements?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Still Have a Question About Tolnaftate and Rhatany?
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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.