Understanding Cold Sores and Herpes Connection
What Causes Cold Sores?
Cold sores are directly caused by the herpes simplex virus, predominantly type 1 (HSV-1). This virus remains dormant in nerve cells after initial infection and can reactivate to cause recurring outbreaks. Up to 70% of the UK population carries HSV-1, though many never develop visible symptoms. When outbreaks do occur, they typically follow predictable stages from initial tingling through blister formation to healing.
How Antiviral Treatment Works
Aciclovir tablets work by inhibiting viral DNA replication, effectively stopping the herpes virus from multiplying during an outbreak. When taken within 24-48 hours of symptom onset, aciclovir 400mg tablets may significantly reduce outbreak duration and severity. The medication is most effective during the initial tingling stage, before blisters fully develop. EverydayMeds stocks prescription-strength aciclovir tablets for those seeking prompt treatment.
Treatment Options Available
Several antiviral options exist for managing cold sore outbreaks. Aciclovir 5% cream provides topical treatment directly to affected areas, whilst oral tablets offer systemic therapy. Valaciclovir 500mg tablets represent an alternative antiviral that converts to aciclovir in the body, potentially offering improved absorption. For recurrent outbreaks, suppressive therapy might be considered under medical guidance. EverydayMeds provides access to both aciclovir and valaciclovir formulations.
When to Seek Treatment
Early intervention produces the best outcomes with antiviral therapy. Individuals experiencing frequent outbreaks (six or more per year) may benefit from suppressive treatment. Those with compromised immune systems should seek medical advice promptly. Treatment is particularly important if cold sores affect eating, drinking, or daily activities. Our online consultation service can help determine the most appropriate treatment approach for your specific situation.






