Medicine guide

Derman Antifungal Powder Tolnaftate

10 mg/g · Aerosol, Powder

  • Available without prescription
Active substance
Tolnaftate
Made by
Taisho Pharmaceutical California Inc.

Quoted from the official source. Not yet reviewed by Mediclarum — the leaflet in your pack is authoritative.

At a glance

Quoted from the official label · 2025-08-07

What it is

Antifungal

Used for
  • Clinically proven to prevent most athlete's foot with daily use Relieves Athlete's foot (tinea pedis) Jock itch (tine cruris) Ringworm (tinea corporis) itching cracking burning scaling
Do not take it if

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

All warnings ↓
Good to know
  • Sold without a prescription
  • FDA enforcement reports list no ongoing recall, and none from the last two years, for this product code · checked 2026-10-02
167other products contain Tolnaftate — compare makers, forms and strengths

Every line above is selected, not written, from the official label. Nothing is reworded. DailyMed

What it is for

Proven clinically effective in the treatment of most:

  • Clinically proven to prevent most athlete's foot with daily use Relieves Athlete's foot (tinea pedis) Jock itch (tine cruris) Ringworm (tinea corporis) itching cracking burning scaling

From the official label · 2025-08-07 · DailyMed

How it works

From the US prescribing label for the same active substance (Mycozyl AL). It describes the substance, not this exact product.

Tolnaftate has antifungal properties.

Quoted from the prescribing label, sections “Mechanism of Action” and “Pharmacokinetics”. DailyMed · 2023-10-17

Do not take it if

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

Quoted from the official label, section “OTC — Do Not Use”.

How to take it

These directions are for this exact strength and form. Another one is different.

  • clean the affected area and dry thoroughly shake can well before use:
  • hold can about 6 inches from the area to be treated apply a thin layer over the affected area twice daily (morning and night), or as directed by a doctor supervise children in the use of this product use daily for 4 weeks for athlete's foot and ringworm; use daily for 2 weeks for jock itch to prevent most athlete's foot apply once or twice daily (morning and/or night) if condition persists longer, consult a doctor this product is not effective on the scalp or nails 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

Quoted from the official label, section “Dosage & Administration”.

Stop and get help if

irritation occurs or if there is no improvement within 4 weeks (for athlete's foot or ringworm) or within 2 weeks (for jock itch)

Quoted from the official label, section “OTC — Stop Use”.

Other warnings

  • For external use only Contents under pressure.
  • Do not puncture or incinetare or store at a temperature above 120°F.
  • Use only as directed.
  • Intentional misuse by deliberately concentrating and inhaling aerosol products can be harmful or fatal.
  • Do not use near flame or spark or white smoking.
  • Flammable: Do not use on children under 2 years of age unless directed by a doctor.
  • When using this product
  • avoid contact with the eyes
  • Stop use and
  • ask a doctor if irritation occurs or if there is no improvement within 4 weeks (for athlete's foot or ringworm) or within 2 weeks (for jock itch)
  • Keep out of reach of children.
  • avoid contact with the eyes

Quoted from the official label, section “Warnings”.

Keep away from children

If swallowed, get medical help or contact a Poison Control Center right away

Quoted from the official label, section “OTC — Keep Out of Reach of Children”.

What kind of medicine it is

Antifungal

Quoted from the official label, section “OTC — Purpose”.

Other ingredients

Relevant if you react to a dye, a preservative, lactose or gluten.

BHT, Corn Starch, Isobutane, Kaolin, PPG-12-Buteth-16, SD Alcohol 40-B

Quoted from the official label, section “Inactive Ingredients”.

Ingredients people check for

Lactose, gluten, dyes, sugars and other ingredients that matter with an allergy, intolerance or diet — as this product’s FDA label lists them.

  • Alcohol (ethanol)SD Alcohol 40-BMatters for children, in pregnancy, in recovery and with some medicines.

Quoted from the FDA label. A label that does not name an ingredient is not a guarantee that the product is free of it, and formulations change. With an allergy, check the pack and ask a pharmacist.

Same active substance, strength and form in other countries

Matched on active substance, strength and kind of form only. This is not a statement that the products are equivalent or interchangeable: other ingredients, release and approved uses can differ — ask a pharmacist before swapping.

Medicine passport: one printable page to show a pharmacist abroad

CanadaNo exact match for this strength and form

Details

Made byTaisho Pharmaceutical California Inc.
Active substanceTolnaftate
Strength10 mg/g
FormAerosol, Powder
RouteTopical
Packs1 CAN in 1 BOX / 130 g in 1 CAN
NDC81929-001

Source: NDC Directory · 2026-09-13 · not reviewed by a clinician

Source: US Food and Drug Administration, NDC Directory. Reuse terms: US government work (FDA).

Same active substance

These contain the same substance. That does not mean one can replace another — ask a pharmacist.