A: The first antiviral drug developed for herpes simplex infections was Zovirax (acyclovir). It was first approved in 1982 as a topical cream to treat cold sores. Oral tablets also became ...

"Antiviral creams such as aciclovir, famciclovir and valaciclovir should be used in the first few days of a cold sore outbreak when a tingling sensation or a raised sore or blister is first ...

"Antiviral creams such as acyclovir, famciclovir and valaciclovir should be used in the first few days of a cold sore outbreak when a tingling sensation or a raised sore or blister is first ...

If you have chronic or painful cold sores, you can use prescription antiviral medicine to manage them. The three antiviral medications used in the treatment of cold sores are: How to prevent the ...

A 5-gram tube of Zovirax cream runs more than $200. A month’s supply of valacyclovir (500 milligrams) tablets costs between ...