Lamisil Once 1% Cutaneous Solution 4g is a single-application antifungal treatment for athlete's foot in adults aged 18 years and over.

It contains terbinafine hydrochloride 1%, which works by killing the fungi responsible for athlete's foot.

Unlike antifungal creams and sprays that require repeated applications over several days, Lamisil Once is applied just once to both feet. The solution forms a thin film on the skin, allowing the active ingredient to remain in contact with the affected areas.

Lamisil Once helps treat athlete's foot and associated symptoms such as itching, redness, peeling and discomfort.

Key Benefits:

  • Single-application treatment for athlete's foot.
  • Contains terbinafine hydrochloride 1%.
  • Forms a film that helps deliver the antifungal medicine to the skin.
  • No daily repeat applications required.
  • Convenient 4g pack.
  • Suitable for adults aged 18 years and over.
  • Always read the patient information leaflet before use.

Active Ingredient:

Terbinafine hydrochloride 1% (10mg per gram of solution).

Terbinafine is an antifungal medicine that works by disrupting essential processes within fungal cells.

Other Ingredients:

The solution contains additional ingredients that help form the protective film and deliver the medicine to the skin.

Refer to the current patient information leaflet for the complete list of ingredients.

Important: Lamisil Once contains alcohol and may cause stinging if applied to damaged or irritated skin.

Lamisil Once is a single-application treatment.

Read the patient information leaflet carefully before use.

Step-by-Step Instructions

  • Wash both feet and dry them thoroughly, particularly between the toes.
  • Wash and dry your hands.
  • Apply the solution to both feet, even if only one foot shows symptoms.
  • Start between, under and over the toes.
  • Spread the solution over the soles and sides of both feet.
  • Use enough solution to cover the required areas with a thin, even layer.
  • Allow the solution to dry for approximately 1–2 minutes.
  • Wash your hands after application.

Important Aftercare Instructions

  • Do not wash or wet your feet for 24 hours after application.
  • Avoid washing the treated areas during this period.
  • After 24 hours, you can resume normal foot washing.
  • Do not rub or massage the solution into the skin.
  • Do not apply a second dose unless advised by a healthcare professional.

Important: Lamisil Once should be applied to both feet, even when symptoms are visible on only one foot.

Like all medicines, Lamisil Once may cause side effects, although not everybody experiences them.

Possible side effects include:

  • Dry skin.
  • Redness.
  • Itching.
  • Burning or stinging.
  • Skin irritation.
  • Peeling skin.

Some people may experience allergic skin reactions.

Serious Allergic Reactions

Stop using the product and seek urgent medical help if you experience:

  • Swelling of the face, lips, tongue or throat.
  • Difficulty breathing.
  • A severe allergic reaction.
  • If irritation becomes severe or persistent, seek advice from a healthcare professional.

Before using Lamisil Once:

  • Do not use if you are allergic to terbinafine or any other ingredient.
  • For external use only.
  • Avoid contact with the eyes and mucous membranes.
  • Do not use on the face.
  • Do not apply to severely damaged or infected skin without professional advice.
  • Do not use for fungal nail infections.
  • Do not use for jock itch unless specifically advised by a healthcare professional.
  • Keep away from naked flames and other ignition sources.
  • Keep out of the sight and reach of children.
Frequently asked questions
  • What is Lamisil Once?

    Lamisil Once is a single-application antifungal solution used to treat athlete's foot.

  • Does Lamisil Once treat athlete's foot?

    Yes. It is designed to treat athlete's foot caused by susceptible fungi.

  • How many times do I apply Lamisil Once?

    Lamisil Once is designed to be applied just once.

  • How long should I leave Lamisil Once on my feet?

    Do not wash or wet your feet for 24 hours after application.

  • Can I shower after using Lamisil Once?

    Avoid washing or wetting your feet for the first 24 hours after application.

  • How to Prevent Athlete's Foot Returning

    Athlete's foot can return after successful treatment.

    To help reduce the risk of reinfection:

    • Wash and dry your feet regularly.
    • Dry carefully between the toes.
    • Change socks daily.
    • Avoid wearing damp footwear.
    • Allow shoes to dry between uses.
    • Wear flip-flops in communal showers and changing rooms.
    • Avoid sharing towels, socks or shoes.

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