Best Treatment for Cold Sores and Fever Blisters

Cold sores and fever blisters require prompt antiviral treatment for effective management. These painful HSV-1 infections affect up to 70% of the UK population, causing recurring outbreaks of fluid-filled blisters around the lips and mouth. Early treatment with proven antiviral medications like aciclovir can significantly reduce symptom severity and healing time. Understanding your treatment options helps you make informed decisions about managing cold sore outbreaks effectively.

  • Start antiviral treatment within 24-48 hours of first symptoms for maximum effectiveness
  • Aciclovir tablets (400mg) are the most commonly prescribed oral antiviral treatment
  • Topical aciclovir 5% cream provides targeted relief when applied at the first tingling sensation
  • Valaciclovir offers convenient twice-daily dosing as an alternative oral treatment option
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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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Complete Guide to Cold Sore Antiviral Treatments

Understanding Cold Sore Treatment Options

Cold sores, medically known as herpes labialis, are caused by herpes simplex virus type 1 (HSV-1). Effective treatment focuses on antiviral medications that may help reduce outbreak duration and severity when started early. The key to successful management lies in recognising early symptoms and beginning treatment promptly.

Oral Antiviral Medications

Aciclovir 400mg tablets represent the most widely prescribed oral treatment for cold sores. When taken at the first sign of symptoms, aciclovir may help reduce healing time by 1-2 days. The typical dosing involves taking tablets five times daily for five days. EverydayMeds offers both generic aciclovir and branded options to suit individual preferences.

Valaciclovir provides an alternative oral treatment with more convenient twice-daily dosing. This medication converts to aciclovir in the body and may offer similar effectiveness with improved compliance due to less frequent dosing requirements.

Topical Treatment Applications

Aciclovir 5% cream offers localised treatment when applied directly to affected areas. This topical approach may be particularly suitable for those who prefer external application or experience mild, infrequent outbreaks. The cream should be applied every four hours during waking hours for optimal results.

Treatment Timing and Effectiveness

The effectiveness of antiviral treatments largely depends on timing. Starting treatment during the prodromal phase - when tingling, burning, or itching sensations first appear - typically yields the best outcomes. Once blisters have fully formed, antiviral medications may still provide some benefit in reducing healing time.

Professional Consultation and Prescription Access

Whilst some topical treatments are available without prescription, oral antivirals like aciclovir tablets require a valid prescription. EverydayMeds' online consultation service connects patients with qualified healthcare professionals who can assess individual needs and prescribe appropriate treatments when clinically suitable.

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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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