THE WOODLANDS, Texas--(BUSINESS WIRE)--Pernix Therapeutics Holdings, Inc. (“Pernix”) (NYSE Amex: PTX), a specialty pharmaceutical company primarily focused on the pediatric market, and ParaPRO, LLC today announced the commercial launch of Natroba™ (spinosad) Topical Suspension, 0.9%, an FDA-approved prescription treatment for head lice in patients four years of age and older.
