According to manager Ole Gunnar Solskjaer, the France midfielder needs an operation on his ankle.
The 26-year-old only made his comeback last month, as his ankle problem kept him out since late September last year.
Scott McTominay is currently also out injured.
Pogba has played only eight times this season after having surgery to correct another ankle injury.


Augsburg score fastest Bundesliga goal but Bayern snatch comeback draw
Red Bull's Verstappen fastest in Singapore to claim 50th career pole
Ronaldo provisionally suspended after national team walkout, media reports say
Guimaraes grabs winner as Arsenal rally to beat Leeds
Verstappen wins Singapore sprint after chaotic start in wet conditions
