Tripenicol C

Undecylenic Acid · Cream · Topical

Over the counter

Active ingredient

Undecylenic Acid 13%

Purpose

Antifungal

Uses

Cures most Athlete's Foot (Tinea Pedis), Jock Itch (Tinea Cruris), and Ringworm (Tinea Corporis). Relives discomfort, itching, cracking, burning and scaling, which accompany these conditions.

Warnings

Do not use on children under two years of age unless directed by a physician. For external use only. Avoid contact with eyes. If irritation occurs or if there is no improvement within four (4) weeks (for Athlete's Foot or Ringworm) or within two (2) weeks (for Jock Itch), discontinue use and consult a physician. Keep this and all drugs out of reach of children. In case of accidental ingestion, seek professional assistance or contact poison control center immediately (800)-222-1222.

Keep out of reach of children

Keep this and all drugs out of reach of children. In case of accidental ingestion, seek professional assistance or contact poison control center immediately (800)-222-1222.

Directions

Wash the affected area with soap and water and dry thoroughly. Apply a thin layer of the product over affected area twice daily (morning and night), or as directed by a physician. Supervise children in the use of this product. For Athlete's Foot, pay special attention to spaces between the toes; wear well-fitting, ventilated shoes and change shoes and socks at least once daily. For Athlete's Foot and Ringworm, use daily for four (4) weeks; for Jock Itch, use daily for two (2) weeks. If condition persists longer, consult a physician. This product is not effective on the scalp or nails. Wash hands after each use.

Other information

Store in dry area at 20-25°C (68-77°F)

Inactive ingredients

Aloe barbadensis (Aloe Vera) Leaf Juice, Caprylic/Capric Triglyceride, Cetyl Alcohol, Clotrimazole, Disodium EDTA Dihydrate, Glyceryl Stearate, Hydrogenated Polydecene, Hydroxyethylcellulose, Lavandula angustifolia (Lavender) Oil, Melaleuca alternifolia (Tea Tree) Oil, Methylparaben, PEG-100 Stearate, Polysorbate 60, Propylparaben, Purified Water, Sodium Polyacrylate, Stearic Acid, Trideceth-6, Triethanolamine, Urea

Label text from the FDA structured product label by Trifluent Pharma LLC (revised Oct 14, 2025). Long sections are shortened; the complete label is on DailyMed.

Active ingredients

Tripenicol C NDC products (1)

NDCStrength & formLabelerType
73352-555Undecylenic Acid .13 g/mL
Cream
Trifluent Pharma LLCOTC MONOGRAPH DRUG

Frequently asked questions

What is Tripenicol C used for?

Cures most Athlete's Foot (Tinea Pedis), Jock Itch (Tinea Cruris), and Ringworm (Tinea Corporis). Relives discomfort, itching, cracking, burning and scaling, which accompany these conditions.

Who makes Tripenicol C?

Tripenicol C is listed by 1 labeler in the FDA NDC directory, including Trifluent Pharma LLC.