Drug
Bezlotoxumab
Important: Reactions below are the flagged terms from this drug’s
FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate
disproportionality in spontaneous reporting, not causation.
Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.
| Reaction | Co-reports (a) | PRR | ROR | Signal | |
|---|---|---|---|---|---|
| 1 | Clostridium Difficile Infection | 128 | 357.0 | 563.2 | signal |
| 2 | Clostridium Difficile Colitis | 21 | 119.0 | 126.6 | signal |
| 3 | Treatment Failure | 43 | 31.5 | 35.8 | signal |
| 4 | Incorrect Product Administration Duration | 8 | 23.7 | 24.2 | signal |
| 5 | Product Prescribing Issue | 7 | 20.7 | 21.1 | signal |
| 6 | Colitis Ulcerative | 12 | 16.2 | 16.7 | signal |
| 7 | Hepatocellular Injury | 3 | 12.7 | 12.8 | signal |