Answer
Phenytoin is contraindicated with delavirdine because co-administration may cause loss of virologic response and possible resistance to delavirdine or the non-nucleoside reverse transcriptase inhibitor class.
Sources for this answer
- Epanutin 30mg/5ml oral SuspensionViatris (formerly Mylan or Upjohn) · emc · SmPC §4.3 Contraindications · Version 28Document updated
Sources checked