How Do You Get Cold Sores: Complete Guide

Cold sores are common viral infections affecting up to 70% of the UK population. Caused by herpes simplex virus type 1 (HSV-1), they appear as painful blisters around the lips and mouth. Understanding how you get cold sores, recognising early symptoms, and knowing treatment options like aciclovir can help manage outbreaks effectively and reduce transmission to others.

  • Direct contact with infected person through kissing or touching cold sores
  • Sharing personal items like lip balm, utensils, or towels with someone who has HSV-1
  • Oral contact during intimate activities when partner has active infection
  • Mother-to-baby transmission during childbirth (rare but possible)
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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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Aciclovir Treatment Options for Cold Sores

How HSV-1 Transmission Occurs

Cold sores spread through the herpes simplex virus type 1 (HSV-1), which transmits via direct skin-to-skin contact. The virus is most contagious when blisters are present, but transmission can occur even when symptoms aren't visible. Common transmission routes include kissing someone with an active cold sore, sharing drinking glasses or eating utensils, and using contaminated personal items like lip balm or razors.

Risk Factors and Triggers

Once infected, the virus remains dormant in nerve cells and may reactivate due to various triggers. Stress, illness, fatigue, hormonal changes, and sun exposure commonly trigger outbreaks. People with weakened immune systems face higher risks of frequent or severe episodes. Initial infection often occurs during childhood, though many people don't develop symptoms until later in life.

Treatment with Aciclovir

Aciclovir tablets represent the gold standard antiviral treatment for cold sores. EverydayMeds offers aciclovir 400mg tablets, which work by preventing the virus from reproducing in cells. When taken at the first sign of symptoms (tingling or burning sensation), aciclovir may help reduce outbreak duration and severity. The typical dosage involves taking 400mg three times daily for five days, though your healthcare provider will determine the most appropriate regimen.

Alternative Treatment Options

Beyond aciclovir tablets, EverydayMeds provides additional cold sore treatments including aciclovir 5% cream for topical application and valaciclovir tablets as an alternative antiviral option. Valaciclovir converts to aciclovir in the body but may offer more convenient dosing schedules. Some patients find topical treatments helpful for localised symptoms, whilst others prefer oral medications for systemic treatment.

Prevention Strategies

Preventing cold sore transmission involves avoiding direct contact with active lesions and not sharing personal items. During outbreaks, frequent hand washing becomes crucial, especially after touching the affected area. Using separate towels, avoiding kissing, and refraining from oral contact help protect others. Sun protection may help prevent trigger-related outbreaks in susceptible individuals.

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