Extra Strength Nail Fungus Treatment UNDECYLENIC ACID, TOLNAFTATE 1 g/100mL; 25 g/100mL Liquid
🆔 Identity & classification
Where does this data come from?
🏷️ RxNorm drug class
This medicine belongs to the Other antifungals for topical use class.
Where does this data come from?
🏭 Manufacturer & labeler
Where does this data come from?
🩺 Clinical
This is an over-the-counter topical liquid for nail fungus treatment sold under FDA's OTC monograph rules. It contains tolnaftate and undecylenic acid, two antifungal agents that are commonly used in products applied directly to affected nails and skin. Tolnaftate functions as a broad-spectrum antifungal, while undecylenic acid is a fatty acid typically used to help control fungal growth. The product is meant to be applied to the affected nail area as directed on the package.
Patient education
Supplement & herbal interactions
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🧪 Inactive Ingredients / Excipients
Inactive ingredients, also called excipients, are components of the drug product other than the active ingredient. They may include fillers, dyes, coatings, preservatives, flavors, or other formulation ingredients.
💡 Tap an ingredient (hover on desktop) to see what it is and why it’s used.
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UNII 9E8X80D2L0
A synthetic form of vitamin E used as an antioxidant and preservative in medications. It helps prevent the active ingredients from degrading when exposed to oxygen or light.
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UNII 3K9958V90M
A liquid solvent derived from fermentation or chemical synthesis. In medicines, alcohol dissolves active ingredients, helps preserve the product, and improves how the body absorbs certain drugs.
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UNII ZY81Z83H0X
Aloe vera leaf is a plant extract derived from the aloe plant. It is used in medicines as a natural moisturizer and skin-soothing agent in topical formulations.
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UNII 059QF0KO0R
Water is a liquid solvent that dissolves and mixes ingredients together in liquid medicines, syrups, and injections. It helps distribute the active drug evenly throughout the product.
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UNII 6SO6U10H04
Biotin is a B-vitamin used as a nutritional supplement in some medications. It may also serve as a colorant or marker in formulations.
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UNII A1A1I8X02B
A clear liquid solvent derived from ethylene glycol. It helps dissolve active ingredients and improve how the medicine flows and mixes in liquid formulations.
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UNII PDC6A3C0OX
Glycerin is a clear, thick liquid derived from plant oils or fats. It acts as a humectant to retain moisture, a sweetener, and a solvent in medications.
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UNII ZBP1YXW0H8
A fragrant oil extracted from lavender plants, used as a flavoring and scent agent in medicines to improve taste and aroma.
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UNII L7T10EIP3A
A cooling compound from mint plants used as a flavoring agent and to create a fresh sensation in medicines. It helps mask bitter tastes and improve how the product feels in the mouth.
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UNII 7D0CGR40U1
A natural oil extracted from oregano leaves, used as a flavoring agent and preservative in medicines. It adds taste and may help protect the product from degradation.
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UNII 6DC9Q167V3
Propylene glycol is a clear liquid derived from petroleum or vegetable sources. It acts as a solvent, humectant, and preservative in medicines, helping dissolve active ingredients and maintain product stability.
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UNII O414PZ4LPZ
A beta hydroxy acid derived from willow bark or synthesized chemically. In topical medicines, it acts as a keratolytic agent that helps soften and shed dead skin cells, improving penetration of active ingredients.
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UNII VIF565UC2G
Tea tree oil is an essential oil extracted from the leaves of the Australian tea tree plant. In medicines, it typically serves as a flavoring agent, fragrance, or antimicrobial component in topical formulations.
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UNII 8W8T17847W
A nitrogen-containing chemical compound used in pharmaceuticals as a humectant to retain moisture, and sometimes as a keratolytic agent in topical formulations to help soften and remove dead skin cells.
14 inactive ingredients listed in the exact product block matched to this NDC.
Label-section wording can be broader than the structured product block and may mention additional formulation ingredients.
Where does this data come from?
ingredient classCode="IACT" elements from the exact product block matched by this NDC. Label-section narrative from DailyMed / the openFDA label index is shown separately when available.Inactive ingredient FAQ
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💲 Pricing
A drug doesn't have one price. Each row is a different public payment system, and none is what you'd pay at the counter — that depends on your insurance. The ⓘ on each row explains what it measures.
| Price system | Per mL | Per package |
|---|---|---|
| Retail pharmacies payNADAC · weekly | Not in the retail survey — common for institutional, discontinued, or low-volume packs. | |
| Medicaid paysCMS SDUD · 12 mo | No recent Medicaid claims on file for this NDC — rare and low-volume NDCs are suppressed in the public data. | |
| Medicare drug plans payPart D · quarterly | No Part D plan price is available for this NDC in our data. | |
Where does this data come from?
🔁 Therapeutic equivalents
Where does this data come from?
⏳ Availability & generic status
We did not find an FDA-approved generic match for this exact strength, form and route.
Where does this data come from?
📦 Packaging — all sizes for this product
| Package NDC | Description | Marketing start | Status |
|---|---|---|---|
| 85966-0001-01 | 30 mL in 1 BOTTLE (85966-001-01) | 2025-07-25 | Active |
| 85966-0001-02 You're viewing this | 2 BOTTLE in 1 BOX (85966-001-02) / 30 mL in 1 BOTTLE | 2025-07-25 | Active |
Pack size FAQ
What quantity is in NDC 85966-0001-02?
What NDC number is used to bill for this package of Extra Strength Nail Fungus Treatment UNDECYLENIC ACID, TOLNAFTATE 1 g/100mL; 25 g/100mL Liquid?
🧭 About this NDC listing & data coverage
What data is (and isn’t) available for this NDC — tap to expand
| NDC identity (package / product / labeler codes) | ✓ Available |
| Labeler | ✓ Available |
| Product & package description | ✓ Available |
| Marketing category & status | ✓ Available |
| Active ingredient / dosage form / route | ✓ Available |
| FDA label (SPL via DailyMed) | ✓ Available |
| Package photos | — Not published for this NDC No photo available yet for this listing. |
| Inactive ingredients (structured) | ✓ Available |
| NADAC pharmacy acquisition price (CMS) | — Not published for this NDC CMS publishes NADAC only for NDCs reported in its retail-pharmacy survey. |
| Orange Book / therapeutic-equivalence data | — Not published for this NDC Applies only to products approved under an NDA/ANDA; many listings are out of scope. |
| HCPCS J-code billing crosswalk | — Not published for this NDC Most self-administered / retail products have no J-code — that is normal. |
| Medicaid utilization (CMS SDUD) | — Not published for this NDC CMS reports utilization only for NDCs with Medicaid claims above its privacy threshold. |
Questions about this listing
Is this NDC FDA-approved?
Why is there no price listed?
Is the NDC printed on the package the same as the 11-digit billing NDC?
What do the three segments of this NDC mean?
Is this package still being marketed?
Does this product come in other package sizes?
Who lists this product with the FDA?
Do I need a prescription for this product?
Where does this data come from?
📄 FDA label — Drug Facts FDA SPL
🎯 Indications and Usage ▾
For the effective treatment of nail fungus, discoloration, thickening, splitting, crumbling and brittleness Cures most athlete's foot (tinea pedis), jock itch (tinea cruris), and ringworm (tinea corporis). For effective relief of itching, scaling, burning, redness, soreness, and irritation. Proven effective in the prevention of most athlete's foot (tinea pedis) with daily use.
⏱️ Dosage and Administration ▾
1. Regularly trim the affected nails and gently file the surface (once a month or as needed). 2.
Shake well before use. Wash the affected nails and surrounding skin with soap and water and dry thoroughly. 3.
Using a sterile disposable cotton swab or dropper, apply a thin layer of the product over affectedarea twice daily (morning and night). Use a new swab each time to avoid cross-contamination. 4.
Allow the product to air-dry completely before putting on socks or shoes to ensure full absorption. 5. For best results, apply daily until a healthy new nail has fully grown out.
This product is noteffective on the scalp or nails.
⚠️ Warnings ▾
For external use only, Store in a cool place and avoid sunshine and heat.
🧪 Active Ingredient ▾
UNDECYLENIC ACID 25% TOLNAFTATE 1%
🧪 Inactive Ingredients ▾
UREA ETHOXYDIGLYCOL PROPYLENE GLYCOL ALCOHOL DENAT. TEA TREE OIL OREGANO OIL LAVENDER OIL MENTHOL ALOE BARBADENSIS LEAF EXTRACT SALICYLIC ACID BIOTIN/VITAMIN H TOCOPHEROL ACETATE / VITAMIN E AQUA GLYCERIN
🎯 Purpose ▾
Antifungal