Topical therapy for herpes simplex infection, also referred to as fever blisters or cold sores, remains popular but provides limited or no benefit. Approved only for the initial manifestations of genital herpes and limited use in people with impaired immune systems, this drug seems totally superfluous and a waste of time and money. At a price of around $1100-$1300 per tube, this Valeant product is better left at the pharmacy. Oral medication is effective, inexpensive and much easier to use.

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