Undecylenic Acid and Derivatives

Undecylenic acid and derivatives are is an over-the-counter (OTC) products used for superficial dermal fungal infections, typically used for tinea corporis and tinea pedis.

Undecylenic acid and derivatives are available under the following different brand names: Cruex, Caldesene, Blis-To-Sol powder, Desenex soap, Fungoid AF, Fungicure Maximum Strength Liquid, Fungi-Nail, Gordochom, and Hongo Cura.

Dosage Forms and Strengths

Powder

• 10%
• 12%
• 19%

Topical Solution/Spray

• 25%

Cream

• 20%

Ointment

• 25%

Soap

• 97.5g bar

Dosage Considerations – Should be Given as Follows:

Fungal Infection of the Skin

• Indicated for superficial dermal fungal infections, typically used for tinea corporis and tinea pedis
• Adults and children 2 years or older: Apply thin layer to clean dry skin twice daily or as directed; continue use for up to 4 weeks
• Children under 2 years: Safety and efficacy not established

Side effects of undecylenic acid and derivatives include:

• Skin sensitivity

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider or pharmacist first.

• Undecylenic acid and derivatives have no listed severe interactions with other drugs.
• Undecylenic acid and derivatives have no listed serious interactions with other drugs.
• Undecylenic acid and derivatives have no listed moderate interactions with other drugs.
• Undecylenic acid and derivatives have no listed mild interactions with other drugs.
   

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Check with your physician if you have health questions or concerns.

Warnings
 

This medication contains undecylenic acid and derivatives. Do not take Cruex, Caldesene, Blis-To-Sol powder, Desenex soap, Fungoid AF, Fungicure Maximum Strength Liquid, Fungi-Nail, Gordochom, and Hongo Cura if you are allergic to undecylenic acid and derivatives or any ingredients contained in this drug.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.

Contraindications

• Hypersensitivity

Effects of Drug Abuse

• No information available

Short-Term Effects

• See "What Are Side Effects Associated with Using Undecylenic Acid and Derivatives?”

Long-Term Effects

• See "What Are Side Effects Associated with Using Undecylenic Acid and Derivatives?”

Cautions

• Discontinue is skin irritation occurs
• For external use only
• Avoid contact with eyes

Pregnancy and Lactation

Use undecylenic acid and derivatives with caution during pregnancy if benefits outweigh risks. Animal studies show risk and human studies are not available or neither animal nor human studies were done.

It is unknown if undecylenic acid and derivatives are distributed in breast milk. Caution is advised while breastfeeding.