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Numark Cold Sore Cream - Aciclovir

Numark Cold Sore Cream - Aciclovir

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Numark Cold Sore Cream with Aciclovir Cold Sore Cream

 

You can treat cold sores effectively with this topical antiviral medication containing aciclovir 5%. This cream works by stopping the herpes simplex virus from multiplying, helping to reduce the severity and duration of cold sore outbreaks when applied at the first signs of symptoms.

Cold sores typically develop through several stages, from initial tingling to blister formation and eventual healing. When you apply this treatment early, you may notice faster healing and reduced discomfort compared to leaving cold sores untreated.

 

How Aciclovir Works Against Cold Sores

 

Aciclovir belongs to a group of medicines called antivirals. When you apply the cream to affected areas, the active ingredient penetrates the skin and interferes with the virus's ability to reproduce. This action helps limit the spread of infection within the skin cells.

The medication works most effectively when you start treatment as soon as you notice the first warning signs of a cold sore, such as tingling, burning, or itching sensations around your lips or mouth area.

 

Who Can Use This Cold Sore Treatment

 

This aciclovir cold sore cream is suitable for adults and children over 12 years old who experience recurrent cold sore episodes. You should consider this treatment if you recognise the early symptoms of cold sore development.

The cream is particularly helpful for people who:

  • Experience frequent cold sore outbreaks
  • Want to reduce healing time and symptom severity
  • Prefer topical treatment over oral medication
  • Need convenient, discreet application throughout the day

 

Why Choose Topical Antiviral Treatment

 

Topical antiviral creams offer targeted treatment directly to the affected area without systemic absorption. This localised approach means you can address cold sore symptoms precisely where they occur, whilst minimising exposure to other parts of your body.

You'll find this method particularly convenient as it allows for easy application multiple times daily. The cream format also provides some moisturising benefits to help prevent excessive drying and cracking of the treated area. For additional skin care products that complement your treatment routine, you can explore other suitable options.

 

Storage and Shelf Life Considerations

 

You should store this medication at room temperature, away from direct heat and moisture. Keep the tube tightly closed when not in use to maintain the cream's effectiveness and prevent contamination.

Check the expiry date before each use and dispose of any expired medication safely through your local pharmacy's disposal service. Once opened, use the cream within the timeframe specified on the packaging to ensure optimal therapeutic benefit.

This product is a medicine. Speak to your doctor or pharmacist before using if you have an underlying medical condition or are taking other medicines.

 

How to Apply Aciclovir Cold Sore Cream

You should wash your hands thoroughly before and after applying the cream. Clean the affected area gently with water and pat dry before application. Apply a thin layer of cream to the cold sore and surrounding area, ensuring complete coverage of the lesion.

Use the cream five times daily at approximately four-hour intervals during waking hours. Continue treatment for five days, or until the cold sore has completely healed if this occurs sooner. Do not exceed the recommended application frequency.

Application Tips and Timing

Start treatment as soon as you notice the first signs of a cold sore developing, such as tingling, itching, or burning sensations. Early application provides the most effective results in reducing outbreak severity and duration.

Avoid touching the cold sore with your fingers during application. Instead, use a clean cotton bud or wash your hands immediately after application to prevent spreading the infection to other areas or people. Allow the cream to absorb fully before applying cosmetics or other topical products to the same area.

Potential Side Effects of Aciclovir Treatment

Like all medicines, Numark Cold Sore Cream can have side effects, although not everyone will experience them. Most people tolerate this treatment well when used as directed, with side effects typically being mild and temporary.

The most commonly reported side effects involve local skin reactions at the application site. These reactions usually resolve on their own as your skin adjusts to the treatment. If you're exploring other creams and ointments for various skin conditions, similar local reactions may occasionally occur with topical medications.

You may experience some of the following side effects:

  • Mild burning or stinging sensation at application site
  • Temporary skin irritation or redness
  • Dry or flaky skin around the treated area
  • Itching or tingling at the application site
  • Skin sensitivity or tenderness
  • Temporary discolouration of treated skin
  • Mild swelling around the cold sore
  • Skin peeling or scaling after treatment
  • Contact dermatitis in sensitive individuals
  • Allergic skin reactions in rare cases

If you experience these or any other side effects, speak to your doctor or pharmacist right away. For more information about reporting side effects please see the MHRA Yellow Card Scheme.

Patient Information Leaflet

Important - Before taking any medication, it is always important to read the Patient Information Leaflet (PIL)

Written and reviewed by our qualified team

GPhC Number: 2233073
Tarun Kumar

Reviewed by:

Tarun Kumar

Superintendent/ Clinical Lead

📖 Find out more about our team of medical content authors and how we ensure the accuracy of our content with our content guidelines.

Content last updated: 31 Mar 2025

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