Cold Sore on Side of Mouth: Complete Lip Care Guide

A cold sore on the side of your mouth can be particularly uncomfortable and visible. These viral blisters, caused by herpes simplex virus (HSV-1), typically appear at the junction where your lips meet, making eating and speaking challenging. Understanding proper care and treatment options, including antiviral medications like aciclovir, can help manage symptoms and reduce outbreak duration effectively.

  • Recognise early tingling or burning sensations to start treatment promptly
  • Apply antiviral cream or take aciclovir tablets within 24-48 hours of first symptoms
  • Keep the affected area clean and avoid touching or picking at blisters
  • Use lip balm with SPF to protect healing skin and prevent future outbreaks
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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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Treatment Options for Cold Sores on Mouth Corners

Understanding Cold Sores at the Mouth Corner

Cold sores appearing on the side of your mouth often develop where lips meet facial skin, an area prone to cracking and movement stress. This location can make outbreaks particularly noticeable and uncomfortable during daily activities like eating, drinking, or speaking.

Immediate Care Steps

When you first notice tingling or burning sensations, begin treatment immediately. Clean hands thoroughly before touching the area, and apply treatment gently without rubbing. Aciclovir tablets, available through EverydayMeds, work most effectively when taken within the first 24-48 hours of symptom onset.

Available Treatment Options

EverydayMeds offers several antiviral treatments for cold sores. Aciclovir 400mg tablets provide systemic treatment, whilst aciclovir 5% cream offers targeted topical application. For those requiring alternative options, valaciclovir 500mg tablets may be prescribed, offering convenient twice-daily dosing compared to aciclovir's five-times-daily regimen.

Managing Symptoms and Healing

Protect the affected area from further irritation by avoiding spicy, salty, or acidic foods. Apply petroleum jelly around (not on) the cold sore to create a protective barrier. Use separate towels and avoid sharing eating utensils to prevent transmission. The complete healing process typically takes 7-10 days with proper care.

Prevention Strategies

Regular use of lip balm containing SPF protection helps prevent future outbreaks, as sun exposure can trigger recurrences. Manage stress levels, maintain good nutrition, and consider suppressive antiviral therapy if experiencing frequent outbreaks. Identify and avoid personal triggers such as illness, fatigue, or hormonal changes.

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