undecylenic acid + zinc undecylenate at a glance
Medicine class
Topical antifungal
Licensed role
Treatment and prevention of athlete’s foot
Where to use it
External use on intact skin only; avoid eyes and mucous membranes
Available forms
Cream and cutaneous powder
What is undecylenic acid + zinc undecylenate used for?
The selected cream and powder products are licensed for:
Treating athlete’s foot
Helping prevent athlete’s foot
How does undecylenic acid + zinc undecylenate work?
The ingredients inhibit fungi and have antibacterial properties. Undecylenic acid is thought to disrupt fungal cell membranes and conditions needed for fungal growth.
How to take undecylenic acid + zinc undecylenate
Use only on the skin. Wash and thoroughly dry the foot, especially between the toes. Massage cream between the toes; powder can be sprinkled over affected areas and inside clean socks or stockings. Avoid broken skin, eyes and mucous membranes.
Keep feet clean and dry.
Use clean socks or stockings.
Wash hands after application.
Do not share towels, socks or shoes.
undecylenic acid + zinc undecylenate side effects
Common or expected effects
- Hypersensitivity reactions may occasionally occur.
- Skin irritation may rarely occur.
- The cream’s sodium laurilsulfate may cause stinging, burning or other local reactions.
- Cetostearyl alcohol or the eugenol-containing fragrance may cause an allergic skin reaction.
Get urgent medical advice
- Stop using it and seek assessment for severe or rapidly worsening irritation, blistering or peeling.
- Call 999 for breathing difficulty or sudden swelling of the face, mouth, tongue or throat.
undecylenic acid + zinc undecylenate in pregnancy
Product-specific pregnancy data are unavailable, although the selected SmPCs do not consider use to constitute a hazard. Ask a pharmacist, midwife or prescriber before use.
undecylenic acid + zinc undecylenate while breastfeeding
Product-specific breastfeeding safety has not been established, although the selected SmPCs do not consider use to constitute a hazard. Check with a pharmacist or prescriber, wash hands after application and prevent infant contact with treated skin.
undecylenic acid + zinc undecylenate interactions
No clinically significant medicine interactions are known for the selected products.
Other products applied to the same skin area
May increase local irritation, particularly with the cream.
Common questions about undecylenic acid + zinc undecylenate
Answers are fully visible for fast scanning and source review.
What is it used for?
The selected cream and powder products are licensed to treat and help prevent athlete’s foot.
Can it be used between the toes?
Yes, on intact skin. Dry between the toes first; cream can be massaged there and powder sprinkled over the area.
Sources
These sources were used to prepare and review this medicine page.
Prepared and reviewed by the iatroX editorial team.