Emergency Cold Sore Treatment Guide UK

When cold sores appear unexpectedly, quick action can significantly reduce their severity and duration. This emergency guide covers MHRA-approved treatments and immediate steps you can take. Early intervention within the first 24-48 hours of symptoms is crucial for optimal results. Understanding your treatment options, from prescription antivirals like aciclovir to topical preparations, helps you respond effectively to outbreaks and minimise discomfort.

  • Start treatment at first tingling sensation for best results
  • Aciclovir tablets may reduce outbreak duration when taken early
  • Apply topical treatments immediately to affected area
  • Avoid touching or picking at cold sores to prevent spread
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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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MHRA-Approved Cold Sore Treatments Available

Immediate Action Steps for Cold Sore Outbreaks

The moment you feel that characteristic tingling sensation around your lips, immediate action could help minimise the severity of your cold sore outbreak. Research suggests that antiviral treatment started within 24-48 hours of initial symptoms may significantly reduce both the duration and intensity of cold sores.

Prescription Antiviral Options

Aciclovir tablets represent the gold standard for cold sore treatment in the UK. Available in 400mg strength, aciclovir works by preventing the herpes simplex virus from replicating, potentially shortening outbreak duration from the typical 7-10 days to as little as 4-6 days when treatment begins early. EverydayMeds stocks both aciclovir tablets and cream formulations for comprehensive treatment approaches.

Valaciclovir offers an alternative prescription option, particularly beneficial for those experiencing frequent outbreaks. This medication converts to aciclovir in the body but may offer improved absorption rates, potentially requiring fewer daily doses compared to standard aciclovir treatment.

Topical Treatment Applications

Aciclovir 5% cream provides targeted relief when applied directly to affected areas. This topical approach may help reduce viral shedding and provide localised treatment without systemic medication effects. The cream should be applied every four hours during waking hours, continuing for five days or until the lesion heals.

When to Seek Emergency Medical Advice

Whilst most cold sores resolve without complications, certain situations warrant immediate medical attention. Contact your healthcare provider if you experience cold sores affecting the eye area, signs of bacterial infection such as increased redness or pus, or if you have a compromised immune system. Severe or unusually frequent outbreaks may also require professional medical evaluation.

Treatment Access Through EverydayMeds

EverydayMeds provides convenient access to MHRA-approved cold sore treatments including aciclovir tablets, valaciclovir, and topical preparations. Our prescription service ensures you can obtain appropriate treatment quickly, particularly important given the time-sensitive nature of effective cold sore management.

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Once you complete a short online assessment, you’ll be able to choose your preferred treatment and quantity from a list of safe, medically approved options tailored to you.

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