Drug
Nafcillin
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 | Nephropathy Toxic | 24 | 64.0 | 66.2 | signal |
| 2 | Tubulointerstitial Nephritis | 39 | 61.8 | 65.3 | signal |
| 3 | Hypokalaemia | 38 | 24.5 | 25.9 | signal |
| 4 | Renal Failure Acute | 35 | 24.1 | 25.3 | signal |
| 5 | Cardiogenic Shock | 9 | 18.7 | 18.9 | signal |
| 6 | Eosinophilia | 10 | 17.0 | 17.2 | signal |
| 7 | Anhedonia | 15 | 16.8 | 17.1 | signal |
| 8 | Fear | 15 | 16.4 | 16.7 | signal |
| 9 | Renal Injury | 16 | 15.8 | 16.1 | signal |
| 10 | Serotonin Syndrome | 10 | 15.5 | 15.7 | signal |
| 11 | Drug-induced Liver Injury | 16 | 15.4 | 15.7 | signal |
| 12 | Device Related Infection | 8 | 15.4 | 15.5 | signal |
| 13 | Sinus Bradycardia | 5 | 15.3 | 15.4 | signal |
| 14 | Drug Reaction With Eosinophilia And Systemic Symptoms | 13 | 15.1 | 15.3 | signal |
| 15 | Fluid Overload | 7 | 14.0 | 14.2 | signal |
| 16 | Rash Generalised | 8 | 9.0 | 9.1 | signal |