Nausea in Patients Receiving Hydromorphone vs Oxycodone After Total Hip Replacement Surgery

Patients will receive oxycodone 10mg (5mg if \> 65) every 2 hours based on an equianalgesic dose calculation. As per routine practice, the dose will be titrated according to the patient's pain at the discretion of the Acute Pain Service physician who will not be blinded to group allocation.

Patients will receive an initial dose of hydromorphone 2mg (1mg if \> 65) every 2 hours as needed based on an equianalgesic dose calculation. As per routine practice, the dose will be titrated according to the patient's pain at the discretion of the Acute Pain Service physician who will not be blinded to group allocation.