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The FDA has approved a buccal formulation of Acyclovir for the treatment of recurrent cold scores. The product uses a mucoadhesive technology that delivers the drug in high concentration to the site of the cold sore. Acyclovir buccal tablets are manufactured by Farmea in France and marketed as Sitavig by BioAlliance Pharma.

Pharmacology Update: Acyclovir Buccal Tablets (Sitavig)