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MACROLIDES AND PROTEASE INHIBITORS - ERYTHROMYCIN WITH RITONAVIR

Medical Diagnosis and Drugs, Medications
The manufacturers predict that ritonavir will greatly elevate erythromycin levels.
Concurrent use should not be undertaken unless the benefits outweigh the risks. Monitor for erythromycin adverse effects (e.g. gastrointestinal effects). Note that high levels of erythromycin can cause temporary hearing loss.
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