NCIt definition : A saturated 22-carbon aliphatic alcohol with antiviral activity. Docosanol has a distinct
mechanism of action and inhibits fusion between the plasma membrane and the herpes
simplex virus envelope, thereby preventing viral entry into cells and subsequent viral
activity and replication. Docosanol is used topically in the treatment of recurrent
herpes simplex labialis episodes and relieves associated pain and may help heal sores
faster.;