Answer
Ribavirin is not recommended with zidovudine because their combined use increases the risk of anaemia, with worsening anaemia reported when zidovudine is part of an HIV treatment regimen.
Sources for this answer
- Retrovir10 mg/ml IV for InfusionViiV Healthcare UK Ltd · emc · SmPC §4.5 Interaction with other medicinal products · Version 34Document updated
Sources checked