TABLE 4. Most Common Drugs Listed as Principal Suspect (Serious or Fatal Outcome [Maternal Exposure Excluded])

Drug or Product Cases Percentage Major Drug Class*

Palivizumab 705 27.9 Immunologics
Cisapride 102 4.0 Disorders, acid/peptic
Indomethacin 97 3.8 NSAID
Nitric oxide 86 3.4 Medicinal gases
Azithromycin 52 2.1 Lincosamides/macrolides
Acetaminophen 41 1.6 Analgesics, general
Fluconazole 37 1.5 Antifungals
Ibuprofen 33 1.3 NSAID
Respigam 32 1.3 Immune serums
Ceftriaxone 28 1.1 Cephalosporins
Cefaclor 26 1.0 Cephalosporins
Cefoperazone 25 1.0 Cephalosporins
Zidovudine 25 1.0 Antivirals
Erythromycin 22 0.9 Lincosamides/macrolides
Vincristine 21 0.8 Antineoplastics
Sevoflurane 20 0.8 Anesthetics, general
Vancomycin 20 0.8 Antibacterials, miscellaneous

NSAID indicates nonsteroidal antiinflammatory agent.

* Selected from FDA National Drug Code Directory.