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What are cold sores? Cold sores, also known as fever blisters, can appear on your mouth or lip and are usually caused by oral herpes or herpes simplex virus type 1 (HSV-1). “It’s extremely ...
There are many cold medicine options. Medical experts say there are several things to know when choosing the best one for you.
In July 2000, docosanol was approved for medical use in the United States as an antiviral agent for reducing the duration of cold sores. [3] [4] [7] It is an over-the-counter medication (OTC). It is sold under the brand name Abreva among others. [3] [5] [8] [9]
Because penciclovir is absorbed poorly when given orally (by mouth) it is more often used as a topical treatment. It is the active ingredient in the cold sore medications Denavir (NDC 0135-0315-52), Vectavir and Fenivir. Famciclovir is a prodrug of penciclovir with improved oral bioavailability. Penciclovir was approved for medical use in 1996. [2]
In 2009, acyclovir in combination with hydrocortisone cream, marketed as Xerese, was approved in the United States for the early treatment of recurrent herpes labialis (cold sores) to reduce the likelihood of ulcerative cold sores and to shorten the lesion healing time in adults and children (six years of age and older). [61] [62]
If the cold sore is painful, icing it can help as can non-prescription gels or ointment with benzocaine, lidocaine, dibucaine, or benzyl alcohol, and/or over-the-counter pain relievers such as ...
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