Common Side Effects and Practical Solutions
Understanding Aciclovir Side Effects
Aciclovir tablets, the most commonly prescribed cold sore treatment, may cause side effects in some patients. Most people tolerate the medication well, but being prepared helps you manage any discomfort effectively. EverydayMeds stocks aciclovir 400mg tablets and alternative treatments like valaciclovir 500mg tablets for those who experience problematic side effects with standard formulations.
Most Common Side Effects
Nausea affects approximately 1 in 10 people taking oral aciclovir. Taking tablets with food or milk can significantly reduce stomach irritation. Headaches and dizziness are also relatively common, particularly during the first few days of treatment. These symptoms often improve as your body adjusts to the medication.
Gastrointestinal Management
Stomach upset, including nausea and abdominal pain, represents the most frequent complaint. Never take aciclovir on an empty stomach if you're prone to digestive issues. Consider spacing doses evenly throughout the day and avoiding spicy or acidic foods during treatment. If symptoms persist, valaciclovir may be better tolerated as it requires less frequent dosing.
Hydration and General Wellness
Adequate hydration prevents many side effects, particularly headaches and potential kidney strain during higher-dose treatments. Aim for at least 2 litres of water daily whilst taking antiviral medications. This also supports your immune system's fight against the herpes virus.
When to Seek Medical Advice
Whilst most side effects are manageable, certain symptoms require immediate medical attention. Severe allergic reactions, including rash, swelling, or breathing difficulties, are medical emergencies. Additionally, persistent vomiting preventing medication absorption, severe headaches, or signs of kidney problems like reduced urination warrant prompt consultation with your healthcare provider.






