Cold Sore on Side of Mouth: Early Treatment Guide

Cold sores appearing on the side of your mouth can be particularly uncomfortable and noticeable. Early intervention within the first 24-48 hours of symptoms is crucial for reducing severity and duration. Recognising the initial tingling or burning sensation allows for prompt treatment with antiviral medications like aciclovir. Understanding when and how to treat cold sores effectively can help minimise discomfort and speed recovery.

  • Start antiviral treatment at first tingling sensation
  • Apply cold compress to reduce swelling and pain
  • Avoid touching or picking at the affected area
  • Keep the area clean and dry during healing
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Available Treatments

Choose from a wide range of clinically-proven, safe, and effective treatments for Cold Sore.

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Aciclovir Tablets

From £12.99

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Aciclovir 5% Cream

From £8.99

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Valaciclovir

From £18.99

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Valtrex

From £34.99

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Antiviral Treatment Options for Cold Sores

Recognising Early Cold Sore Symptoms

Cold sores on the side of the mouth often begin with a characteristic tingling, itching, or burning sensation. This prodromal stage typically occurs 12-24 hours before visible blisters appear. The area may feel tender or sensitive to touch, and some people notice slight swelling or redness. Early recognition of these warning signs is essential for effective treatment, as antiviral medications work best when started within 24 hours of symptom onset.

Prescription Antiviral Treatments

Aciclovir tablets represent the most commonly prescribed treatment for cold sores. When taken early, aciclovir 400mg tablets can reduce the duration of an outbreak by 1-2 days and may lessen symptom severity. The typical dosage involves taking one tablet five times daily for five days, though your healthcare provider will determine the most appropriate regimen. EverydayMeds offers aciclovir tablets alongside topical aciclovir cream for comprehensive treatment options.

Alternative Antiviral Options

Valaciclovir tablets provide another effective treatment option, often requiring less frequent dosing than aciclovir. This medication converts to aciclovir in the body and may offer improved convenience with twice-daily dosing. Some patients find valaciclovir more suitable for their lifestyle, particularly during busy periods when remembering multiple daily doses proves challenging.

Topical Treatment Approaches

Aciclovir 5% cream can be applied directly to the affected area at the first sign of symptoms. When used early and applied every four hours while awake, topical treatments may help reduce healing time. The cream should be applied with clean hands or a cotton swab to prevent spreading the virus to other areas or people.

Supporting Recovery and Prevention

During treatment, maintaining good hygiene practices helps prevent secondary bacterial infections and reduces transmission risk. Avoid sharing personal items like lip balm, utensils, or towels. Sun protection may help prevent future outbreaks, as UV exposure can trigger cold sore recurrence in some individuals. If you experience frequent outbreaks, discussing suppressive therapy options with a healthcare provider may be beneficial.

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