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Tolnaftate 0.01 MG/MG / undecylenic acid 0.25 MG/MG Medicated Patch — RxCUI 2700164

RxNorm drug concept · Semantic clinical drug
RxCUI 2700164 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 1 package NDC Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI2700164
Official nameTolnaftate 0.01 MG/MG / undecylenic acid 0.25 MG/MG Medicated Patch
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known astolnaftate 1 % / undecylenic acid 25 % Medicated Patch
FDA products mapped1
Package NDCs mapped1
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Tolnaftate: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • It treats fungal skin infections like athlete's foot, ringworm and, in some products, jock itch. Many products also help prevent athlete's foot. Some are made for skin around the n...
  • Wash and dry the area well, then apply a thin layer. Most products are used twice a day, morning and night. The length of use varies, often 4 weeks for athlete's foot and ringworm,...
  • The main one is skin irritation. If that happens, stop using it and talk to a doctor.
  • Call if you see no improvement within 4 weeks for athlete's foot or ringworm, or 2 weeks for jock itch. Call if irritation develops. Call right away if anyone swallows it.
📖 Read our full Tolnaftate guide →

🕸️ Concept Web — How Tolnaftate 0.01 MG/MG / undecylenic acid 0.25 MG... Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept Tolnaftate 0.01 MG/MG / undecylenic acid 0.25 MG/MG Medicated Patch RxCUI 2700164

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 4

    The active substance itself — no strength, form, or brand attached yet.

    • Tolnaftate 10637
    • Undecylenate 314881
    • Tolnaftate / undecylenate 2691543
    • Undecylenic acid 10989
  2. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Tolnaftate / undecylenate Medicated Patch 2700162
    • Tolnaftate / undecylenic acid Medicated Patch 2700163
    • Tolnaftate / undecylenate Topical Product 2691544
    • Tolnaftate / undecylenic acid Topical Product 2691546
    • Medicated Patch 1792831
    • Topical Product 1151122
  3. Clinical & branded drugs 2

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

    • Tolnaftate 0.01 MG/MG 340019
    • Undecylenic acid 0.25 MG/MG 1251003

Showing up to 8 concepts per family — 12 of 12 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Tolnaftate 0.01 MG/MG SCDC · 340019
  • Undecylenic acid 0.25 MG/MG SCDC · 1251003
  • Tolnaftate / undecylenate Medicated Patch SCDF · 2700162
  • Tolnaftate / undecylenic acid Medicated Patch SCDFP · 2700163
  • Tolnaftate / undecylenate Topical Product SCDG · 2691544
  • Tolnaftate / undecylenic acid Topical Product SCDGP · 2691546

📦 FDA Products & Package NDCs

1 product · 1 package NDC
1 package NDC map to RxCUI 2700164 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
85038-0005-01 20 PATCH in 1 PACKAGE (85038-005-01) / 1 PATCH in 1 PATCH Fungal Nail Patches Lianjiang Shanlilai E-commerce Co., Ltd. 2024-12-19
Observed labelers: Lianjiang Shanlilai E-commerce Co., Ltd. (1) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.