Cold Sore Tablet Side Effects: Quick Help Guide

Understanding potential side effects of cold sore treatments like aciclovir can help you manage your medication safely. Most side effects are mild and temporary, but knowing what to expect and when to seek help is essential. EverydayMeds offers comprehensive guidance on managing aciclovir side effects alongside our range of cold sore treatments including aciclovir tablets and creams.

  • Most aciclovir side effects are mild and resolve quickly
  • Nausea and headaches are the most common reactions
  • Taking tablets with food can reduce stomach upset
  • Serious side effects requiring medical attention are rare
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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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Managing Common Aciclovir Side Effects

Understanding Aciclovir Side Effects

Aciclovir tablets, available through EverydayMeds, are generally well-tolerated antiviral medications. However, like all medicines, they may cause side effects in some people. The good news is that most reactions are mild and temporary, typically resolving within a few days of starting treatment.

Common Side Effects and Management

The most frequently reported side effects include nausea, headaches, and dizziness. These affect fewer than 1 in 10 people taking aciclovir tablets. To minimise nausea, take your medication with food or milk. Stay well-hydrated and avoid alcohol whilst taking aciclovir, as this may worsen headaches or dizziness.

Some patients experience stomach upset or diarrhoea. Taking aciclovir 400mg tablets with a light meal can help reduce these symptoms. Probiotics may also support digestive health during treatment, though you should consult with a healthcare professional before combining supplements with medication.

When to Seek Medical Advice

Whilst serious side effects are uncommon, certain symptoms warrant immediate medical attention. Contact your GP or pharmacist if you experience severe allergic reactions such as difficulty breathing, swelling of face or throat, or widespread skin rash. EverydayMeds pharmacists are available to provide guidance on managing side effects.

Other concerning symptoms include severe headaches with neck stiffness, confusion, or unusual bleeding. These may indicate rare but serious reactions requiring prompt medical assessment.

Preventing and Minimising Side Effects

To reduce the likelihood of experiencing side effects, take aciclovir exactly as prescribed. Don't exceed the recommended dose or duration of treatment. Maintain good hydration by drinking plenty of water throughout your treatment course. Our Valaciclovir 500mg tablets offer an alternative antiviral option for those who experience troublesome side effects with aciclovir.

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