- I 131 monoclonal antibody CC49
- IAP inhibitor HGS1029
- ibandronate
- ibandronate sodium
- IBMFS
- ibritumomab tiuxetan
- IBS
- ibuprofen
- IC-GREEN
- ICCC classification
- ICD
- iCD40 receptor-expressing autologous dendritic cell vaccine BP-GMAX-CD1
- ICE
- ICE regimen
- ICI 182780
- ICI D1694
- Idamycin
- idarubicin
- IDEC-Y2B8
- idiopathic
- idiopathic myelofibrosis
- idiopathic pneumonia syndrome
- idiopathic pulmonary fibrosis
- idiopathic thrombocytopenic purpura
- idiotype-pulsed autologous dendritic cell vaccine APC8020