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The Top 10 Most Frequently Reported Concomitant Medications for QTc Prolongation or Torsade de Pointes
| Medication | QTc Prolongation or Torsade de Pointes, n (%) |
|---|---|
| Lamivudine | 41 (10.8) |
| Ritonavir | 39 (10.3) |
| Zidovudine | 37 (9.8) |
| Lorazepam | 27 (7.1) |
| Morphine sulfate | 27 (7.1) |
| Apomorphine hydrochloride | 25 (6.6) |
| Tenofovir disoproxil fumarate | 22 (5.8) |
| Lopinavir | 21 (5.5) |
| Trimethoprim | 21 (5.5) |
| Ceftriaxone sodium | 20 (5.3) |
| Oxazepam | 20 (5.3) |
