Wing Thaakir Abrahams and second-row Jean Kleyn will also be out of action for up to four months
Ireland will be without Craig Casey for the upcoming Six Nations Championship.
Munster have confirmed that the scrum-half will be sidelined until April after having surgery on a knee injury last week.
Wing Thaakir Abrahams and second-row Jean Kleyn will also be out of action for up to four months.
Munster's defence coach Denis Leamy has also revealed that centre Alex Nankivell will be out for a few weeks with the hamstring injury he picked up in their win at Ulster.