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Undecylenic Acid by Walgreen Company

Dosage form: liquid
Ingredients: UNDECYLENIC ACID 0.25g in 1g
Labeler: Walgreen Company
NDC Code: 0363-7731

Disclaimer: Most OTC drugs are not reviewed and approved by FDA, however they may be marketed if they comply with applicable regulations and policies. FDA has not evaluated whether this product complies.

Walgreens Antifungal Liquid

​Active ingredient

Undecylenic acid 25%w/w




For cure of most tinea pedis (athlete's foot) and tinea corporis (ringworm).

For relief of :

  • itching
  • burning
  • redness
  • irritation
  • scaling
  • soreness
  • discomfort which may accompany these conditions


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

​When using this product

avoid contact with eyes.

​Use only as directed

by a doctor on persons with highly sensitive skin.

​Stop use and consult a doctor if
  • there is no improvement within 4 weeks
  • irritation occurs

​Keep out of reach of children.

If accidental ingestion occurs, get medical help or contact a Poison Control Center right away.


Read all warnings and directions. Use only as directed.

  • clean the affected area and dry thoroughly
  • apply a thin layer of the product over the affecter area twice daily (morning and night) or as directed by a doctor
  • supervise children in the use of this product
  • for athlete's foot: pay special attention to spaces between toeswear well-fitting, ventilated shoes, and change shoes and socks at least once daily
  • for athlete's foot and ringworm, use daily for 4 weeks. If conditions persists longer, consult a doctor
  • this product is not effective on the scalp or nails

​Other information

store at room temperature 15°-30°C (59° - 86°F)

​Inactive ingredient

isopropyl palmitate


Call 1-866-964-0939

​Principal Display Panel

Well at Walgreens

Maximum Strength

Anti-Fungal Liquid

Undecylenic Acid

  • Eliminates fungus on fingers, toes & around nails
  • Easy-to-apply
  • Dries quickly
  • Non-oily, clear formula
  • No pleasant odor

Net Contents

1 FL OZ (30mL)

anti-fungal liquid liquid
Product Information
Product TypeHUMAN OTC DRUGItem Code (Source)NDC:0363-7731
Route of AdministrationTOPICALDEA Schedule    
Active Ingredient/Active Moiety
Ingredient NameBasis of StrengthStrength
Inactive Ingredients
Ingredient NameStrength
#Item CodePackage Description
1NDC:0363-7731-3030 g in 1 BOTTLE, WITH APPLICATOR
Marketing Information
Marketing CategoryApplication Number or Monograph CitationMarketing Start DateMarketing End Date
OTC monograph finalpart333C08/16/2012
Labeler - Walgreen Company (008965063)

Walgreen Company

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Medically reviewed on Nov 22, 2017

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.