SUPPLIER NEWS — Hi-Tech Pharmacal announced the tentative approval by the Food and Drug Administration of levofloxacin oral solution in the 25-mg/mL strength, a generic antibiotic. Levofloxacin oral solution is a generic version of Johnson & Johnson’s Levaquin, which had sales of $6 million in 2010, according to IMS Health. Hi-Tech expected to receive final approval in June, when Johnson & Johnson’s patent expires.