Understanding Aciclovir Side Effects for Safe Treatment
Common Aciclovir Tablet Side Effects
When taking aciclovir tablets for cold sore treatment, most people experience few or no side effects. The most frequently reported effects include nausea (affecting up to 8% of patients), headache (up to 5%), and mild dizziness. These symptoms typically resolve within 2-3 days as your body adjusts to the medication. Gastrointestinal effects such as stomach upset or diarrhoea may occur in approximately 3% of patients.
Lip Care During Aciclovir Treatment
Effective lip care is essential while taking aciclovir tablets. Keep the affected area clean and dry, avoiding touching or picking at cold sores to prevent bacterial infection. Apply a thin layer of petroleum jelly or lip balm with SPF protection to prevent cracking and sun damage, which can trigger future outbreaks. Avoid sharing lip products, drinks, or utensils during treatment to prevent virus transmission.
When to Seek Medical Advice
Although rare, serious allergic reactions can occur with aciclovir. Contact your healthcare provider immediately if you experience difficulty breathing, facial swelling, or severe skin reactions. Other concerning symptoms include persistent vomiting, severe abdominal pain, or unusual fatigue. EverydayMeds offers aciclovir 400mg tablets and alternative treatments like valaciclovir for those who experience intolerable side effects.
Minimising Side Effects and Maximising Treatment Success
Take aciclovir tablets with food to reduce stomach upset, and ensure adequate hydration throughout treatment. Start treatment at the first sign of tingling or burning for best results - ideally within 24 hours of symptom onset. Most patients complete a 5-day course with minimal discomfort. EverydayMeds also stocks topical aciclovir cream as an alternative for those preferring localised treatment with reduced systemic side effects.
