The Egyptian was in action for his country and even scored during the FIFA World Cup qualifiers, but has sustained an injury.
Marmoush has featured in all three of Josep Guardiola's side's matches since the start of the season, contributing one assist.
Marmoush's injury
Following the forward's unexpected injury, Manchester City have now confirmed that he will miss their next game.
The statement confirms, as reported by Sportal, that the Citizens' forward sustained a knee injury during Egypt's national team match against Burkina Faso.
Initial scan results, conducted in the player's home country, indicate that the 26-year-old will be unavailable for Sunday's Manchester derby.
City further clarified that Marmoush will return to Manchester for additional examinations and to commence his rehabilitation.