The following drugs had modifications to the BOXED WARNING, CONTRAINDICATIONS, and/or WARNINGS sections during May 2008: 

*Accolate (zafirlukast) Tablet, Film Coated *Ambien (zolpidem tartrate) Tablets *Caduet (amlodipine besylate/atorvastatin calcium) Tablets *Ceftriaxone for Injection and Dextrose Injection *CellCept (mycophenolate mofetil capsules), (mycophenolate mofetil tablets) *CellCept Intravenous (mycophenolate mofetil hydrochloride for injection) *CellCept Oral Suspension (mycophenolate mofetil for oral suspension) *Chantix (varenicline) Tablets *Definity (perflutren lipid microsphere) Injectable Suspension *Furadantin (nitrofurantoin) Oral Suspension *Hepsera (adefovir dipivoxil) Tablets *Herceptin (trastuzumab) Intravenous Infusion *Intron A (interferon alfa-2b, recombinant) for Injection *Keflex (cephalexin) Capsules *Keppra (levetiracetam) Injection for Intravenous Use *Levaquin (levofloxacin in 5% dextrose) Injection, for Intravenous Use *Levaquin (levofloxacin) Injection, for Intravenous Use *Levaquin (levofloxacin) Tablets and Oral Solution *Mirena (levonorgestrel-releasing intrauterine system) *Mycobutin (rifabutin capsules, USP) *Myfortic (mycophenolic acid) Delayed-Release Tablets *Noxafil (posaconazole) Oral Suspension *Primaxin I.M. (imipenem and cilastatin for injectable suspension) *Primaxin I.V. (imipenem and cilastatin) for Injection *Strattera (atomoxetine hydrochloride) Capsules *Valium (diazepam) Tablets