Managing Cold Sore Medication Side Effects

When taking antiviral medications like aciclovir tablets for cold sores, some people may experience side effects. Understanding these potential reactions and knowing how to manage them can help you continue your treatment safely and effectively. Most side effects are mild and temporary, but knowing what to expect and when to seek advice is important for successful cold sore management.

  • Common side effects include nausea, headaches and stomach upset
  • Taking tablets with food can reduce digestive discomfort
  • Staying well-hydrated helps minimise potential kidney effects
  • Most side effects are temporary and resolve after treatment ends
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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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Understanding Aciclovir Side Effects and Solutions

Common Side Effects of Cold Sore Tablets

Aciclovir tablets, the most commonly prescribed treatment for cold sores, are generally well-tolerated. However, some people may experience side effects including nausea, headaches, dizziness, or stomach discomfort. These effects typically occur more frequently when starting treatment or taking higher doses. At EverydayMeds, we stock aciclovir 400mg tablets and valaciclovir alternatives to suit different patient needs.

Managing Digestive Side Effects

Stomach upset and nausea are among the most reported side effects. Taking your tablets with food or milk can significantly reduce these symptoms. Starting with smaller portions and avoiding spicy or fatty foods during treatment may also help. If nausea persists, speak with a healthcare professional about adjusting your dosing schedule or considering topical alternatives like aciclovir 5% cream.

Preventing Dehydration-Related Effects

Aciclovir can occasionally affect kidney function, particularly in those who are dehydrated. Drinking plenty of water throughout your treatment course helps prevent this. Aim for at least 8 glasses of water daily, and increase this if you're experiencing fever or feeling unwell. Signs to watch for include reduced urination, confusion, or unusual fatigue.

When to Seek Medical Advice

While most side effects are manageable, certain symptoms require prompt medical attention. Contact a healthcare provider if you experience severe allergic reactions, persistent vomiting, confusion, or unusual bruising. EverydayMeds offers both prescription aciclovir tablets and branded options like Valtrex, ensuring you have access to appropriate alternatives if needed.

Alternative Treatment Options

If tablet side effects prove problematic, topical treatments may be suitable alternatives. Aciclovir cream applied directly to cold sores can be effective with minimal systemic absorption. For those with frequent outbreaks, discussing suppressive therapy options with a healthcare provider may help find the most comfortable treatment approach.

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