Acyclovir 5% Cream Cold Sore Treatment is used to treat cold sores. These are caused by the herpes simplex virus. This cream contains 50 milligrams of aciclovir per gram.

Start using the cream when you get the first signs of infection. You may see skin blisters or be able to recognise the tingle sensation that means a blister will soon appear. Spread a thin layer of cream onto the cold sore about every 4 hours during your day (5 times per day), using a cotton bud. 

Contains 50 milligrams of aciclovir per gram.