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Undecylenic Acid 25%Antifungal Pen

OTC Topical RxCUI 998329
Contents

Overview

Active ingredient
Undecylenic Acid
Route
Topical
Label date
2026-03-03

Indications and usage

Use Helps prevent fungal infections, incuding tinea pedis (toenail onych omycosis). Relieves itching, burning, and cracking. Cures athlete's foot

Purpose

Antifungal

Dosage and administration

Directions Prep: Wash the affected area with soap and water. Soak the nail to soften it.For toenail fungus:Gently file thickened areas of the nail every 2-3 days (avoid damaging nail bed). Apply a thin laver over the entire nail surface, under the nail edge, and around the cuticle. Use twice daily:morning and evening for at least 6 weeks. For best results,continue use for 3-6 months or as directed by a doctor.For athlete's foot: Apply to affected areas and between toes. Allow product to dry fully before putting on socks or shoes.

Warnings

For external use only. If pregnant or breastfeeding, consult a healthcare professional before use.

Do not use

on children under 2 years of age unless directed by a doctor.

Ask a doctor before use if

there is no improvement within 4 weeks.iritation occurs.

When using this product

avoid contact with eyes.

Stop use and ask a doctor if

there is no improvement within 4 weeks.iritation occurs.

Other information Store at room temperature 15℃-30℃(59ºF-86ºF). Close cap tightly after each use.Keep away from direct sunlight and excessive moisture.

Active ingredient (label)

Undecylenic acid 25%

Inactive ingredients

s Almond Oil, Tea Tree Oil, Mineral Oil, Peppermint Oil, Tocopherol (Vitamin E).

Keep out of reach of children

Keep Oot Of Reach Of Children lf accidental ingestion occurs, get medical help or contact a Poison Control Center right away.