| IBE | International Bureau for Epilepsy |
|---|---|
| IBED | Inter-African Bureau for Epizootic Diseases |
| IBF | immature brown fat; immunoglobulin-binding factor; Insall-Burstein-Freeman [total knee instrumentation] |
| IBG | insoluble bone gelatin |
| IBI | intermittent bladder irrigation; ischemic brain infarction |
| ibid | in the same place [Lat. ibidem] |
| IBIDS | ichthyosis-brittle hair-impaired intelligence-decreased fertility-short stature [syndrome] |
| IBK | infectious bovine keratoconjunctivitis |
| IBM | inclusion body myositis |
| IBMP | International Board of Medicine and Psychology |